397188540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 1484421120

約数和(自身を除く): 1087232580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 47, 57, 60, 63, 70, 76, 84, 90, 94, 95, 105, 114, 126, 133, 140, 141, 171, 180, 188, 190, 210, 228, 235, 252, 266, 282, 285, 315, 329, 342, 353, 380, 399, 420, 423, 470, 532, 564, 570, 630, 658, 665, 684, 705, 706, 798, 846, 855, 893, 940, 987, 1059, 1140, 1197, 1260, 1316, 1330, 1410, 1412, 1596, 1645, 1692, 1710, 1765, 1786, 1974, 1995, 2115, 2118, 2394, 2471, 2660, 2679, 2820, 2961, 3177, 3290, 3420, 3530, 3572, 3948, 3990, 4230, 4236, 4465, 4788, 4935, 4942, 5295, 5358, 5922, 5985, 6251, 6354, 6580, 6707, 7060, 7413, 7980, 8037, 8460, 8930, 9870, 9884, 10590, 10716, 11844, 11970, 12355, 12502, 12708, 13395, 13414, 14805, 14826, 15885, 16074, 16591, 17860, 18753, 19740, 20121, 21180, 22239, 23940, 24710, 25004, 26790, 26828, 29610, 29652, 31255, 31770, 32148, 33182, 33535, 37065, 37506, 40185, 40242, 44478, 46949, 49420, 49773, 53580, 56259, 59220, 60363, 62510, 63540, 66364, 67070, 74130, 75012, 80370, 80484, 82955, 88956, 93765, 93898, 99546, 100605, 111195, 112518, 116137, 120726, 125020, 134140, 140847, 148260, 149319, 160740, 165910, 187530, 187796, 199092, 201210, 222390, 225036, 232274, 234745, 241452, 248865, 281295, 281694, 298638, 301815, 315229, 331820, 348411, 375060, 402420, 422541, 444780, 464548, 469490, 497730, 562590, 563388, 580685, 597276, 603630, 630458, 696822, 704235, 746595, 845082, 938980, 945687, 995460, 1045233, 1125180, 1161370, 1207260, 1260916, 1393644, 1408470, 1493190, 1576145, 1690164, 1742055, 1891374, 2090466, 2112705, 2206603, 2322740, 2816940, 2837061, 2986380, 3152290, 3484110, 3782748, 4180932, 4225410, 4413206, 4728435, 5226165, 5674122, 6304580, 6619809, 6968220, 8450820, 8826412, 9456870, 10452330, 11033015, 11348244, 13239618, 14185305, 18913740, 19859427, 20904660, 22066030, 26479236, 28370610, 33099045, 39718854, 44132060, 56741220, 66198090, 79437708, 99297135, 132396180, 198594270, 397188540]

約数ペア:

[(1, 397188540), (2, 198594270), (3, 132396180), (4, 99297135), (5, 79437708), (6, 66198090), (7, 56741220), (9, 44132060), (10, 39718854), (12, 33099045), (14, 28370610), (15, 26479236), (18, 22066030), (19, 20904660), (20, 19859427), (21, 18913740), (28, 14185305), (30, 13239618), (35, 11348244), (36, 11033015), (38, 10452330), (42, 9456870), (45, 8826412), (47, 8450820), (57, 6968220), (60, 6619809), (63, 6304580), (70, 5674122), (76, 5226165), (84, 4728435), (90, 4413206), (94, 4225410), (95, 4180932), (105, 3782748), (114, 3484110), (126, 3152290), (133, 2986380), (140, 2837061), (141, 2816940), (171, 2322740), (180, 2206603), (188, 2112705), (190, 2090466), (210, 1891374), (228, 1742055), (235, 1690164), (252, 1576145), (266, 1493190), (282, 1408470), (285, 1393644), (315, 1260916), (329, 1207260), (342, 1161370), (353, 1125180), (380, 1045233), (399, 995460), (420, 945687), (423, 938980), (470, 845082), (532, 746595), (564, 704235), (570, 696822), (630, 630458), (658, 603630), (665, 597276), (684, 580685), (705, 563388), (706, 562590), (798, 497730), (846, 469490), (855, 464548), (893, 444780), (940, 422541), (987, 402420), (1059, 375060), (1140, 348411), (1197, 331820), (1260, 315229), (1316, 301815), (1330, 298638), (1410, 281694), (1412, 281295), (1596, 248865), (1645, 241452), (1692, 234745), (1710, 232274), (1765, 225036), (1786, 222390), (1974, 201210), (1995, 199092), (2115, 187796), (2118, 187530), (2394, 165910), (2471, 160740), (2660, 149319), (2679, 148260), (2820, 140847), (2961, 134140), (3177, 125020), (3290, 120726), (3420, 116137), (3530, 112518), (3572, 111195), (3948, 100605), (3990, 99546), (4230, 93898), (4236, 93765), (4465, 88956), (4788, 82955), (4935, 80484), (4942, 80370), (5295, 75012), (5358, 74130), (5922, 67070), (5985, 66364), (6251, 63540), (6354, 62510), (6580, 60363), (6707, 59220), (7060, 56259), (7413, 53580), (7980, 49773), (8037, 49420), (8460, 46949), (8930, 44478), (9870, 40242), (9884, 40185), (10590, 37506), (10716, 37065), (11844, 33535), (11970, 33182), (12355, 32148), (12502, 31770), (12708, 31255), (13395, 29652), (13414, 29610), (14805, 26828), (14826, 26790), (15885, 25004), (16074, 24710), (16591, 23940), (17860, 22239), (18753, 21180), (19740, 20121)]