400257990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 256

約数和(自身を含む): 1262822400

約数和(自身を除く): 862564410

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 41, 45, 54, 55, 57, 66, 82, 90, 95, 99, 110, 114, 123, 135, 165, 171, 173, 190, 198, 205, 209, 246, 270, 285, 297, 330, 342, 346, 369, 410, 418, 451, 495, 513, 519, 570, 594, 615, 627, 738, 779, 855, 865, 902, 990, 1026, 1038, 1045, 1107, 1230, 1254, 1353, 1485, 1557, 1558, 1710, 1730, 1845, 1881, 1903, 2090, 2214, 2255, 2337, 2565, 2595, 2706, 2970, 3114, 3135, 3287, 3690, 3762, 3806, 3895, 4059, 4510, 4671, 4674, 5130, 5190, 5535, 5643, 5709, 6270, 6574, 6765, 7011, 7093, 7785, 7790, 8118, 8569, 9342, 9405, 9515, 9861, 11070, 11286, 11418, 11685, 12177, 13530, 14022, 14186, 15570, 16435, 17127, 17138, 18810, 19030, 19722, 20295, 21033, 21279, 23355, 23370, 24354, 25707, 28215, 28545, 29583, 32870, 34254, 35055, 35465, 36157, 40590, 42066, 42558, 42845, 46710, 49305, 51381, 51414, 56430, 57090, 59166, 60885, 63837, 70110, 70930, 72314, 77121, 78023, 85635, 85690, 88749, 98610, 102762, 105165, 106395, 108471, 121770, 127674, 128535, 134767, 147915, 154242, 156046, 171270, 177498, 180785, 191511, 210330, 212790, 216942, 231363, 234069, 256905, 257070, 269534, 295830, 319185, 325413, 361570, 383022, 385605, 390115, 404301, 443745, 462726, 468138, 513810, 542355, 638370, 650826, 673835, 702207, 771210, 780230, 808602, 887490, 957555, 976239, 1084710, 1156815, 1170345, 1212903, 1347670, 1404414, 1482437, 1627065, 1915110, 1952478, 2021505, 2106621, 2313630, 2340690, 2425806, 2964874, 3254130, 3511035, 3638709, 4043010, 4213242, 4447311, 4881195, 6064515, 7022070, 7277418, 7412185, 8894622, 9762390, 10533105, 12129030, 13341933, 14824370, 18193545, 21066210, 22236555, 26683866, 36387090, 40025799, 44473110, 66709665, 80051598, 133419330, 200128995, 400257990]

約数ペア:

[(1, 400257990), (2, 200128995), (3, 133419330), (5, 80051598), (6, 66709665), (9, 44473110), (10, 40025799), (11, 36387090), (15, 26683866), (18, 22236555), (19, 21066210), (22, 18193545), (27, 14824370), (30, 13341933), (33, 12129030), (38, 10533105), (41, 9762390), (45, 8894622), (54, 7412185), (55, 7277418), (57, 7022070), (66, 6064515), (82, 4881195), (90, 4447311), (95, 4213242), (99, 4043010), (110, 3638709), (114, 3511035), (123, 3254130), (135, 2964874), (165, 2425806), (171, 2340690), (173, 2313630), (190, 2106621), (198, 2021505), (205, 1952478), (209, 1915110), (246, 1627065), (270, 1482437), (285, 1404414), (297, 1347670), (330, 1212903), (342, 1170345), (346, 1156815), (369, 1084710), (410, 976239), (418, 957555), (451, 887490), (495, 808602), (513, 780230), (519, 771210), (570, 702207), (594, 673835), (615, 650826), (627, 638370), (738, 542355), (779, 513810), (855, 468138), (865, 462726), (902, 443745), (990, 404301), (1026, 390115), (1038, 385605), (1045, 383022), (1107, 361570), (1230, 325413), (1254, 319185), (1353, 295830), (1485, 269534), (1557, 257070), (1558, 256905), (1710, 234069), (1730, 231363), (1845, 216942), (1881, 212790), (1903, 210330), (2090, 191511), (2214, 180785), (2255, 177498), (2337, 171270), (2565, 156046), (2595, 154242), (2706, 147915), (2970, 134767), (3114, 128535), (3135, 127674), (3287, 121770), (3690, 108471), (3762, 106395), (3806, 105165), (3895, 102762), (4059, 98610), (4510, 88749), (4671, 85690), (4674, 85635), (5130, 78023), (5190, 77121), (5535, 72314), (5643, 70930), (5709, 70110), (6270, 63837), (6574, 60885), (6765, 59166), (7011, 57090), (7093, 56430), (7785, 51414), (7790, 51381), (8118, 49305), (8569, 46710), (9342, 42845), (9405, 42558), (9515, 42066), (9861, 40590), (11070, 36157), (11286, 35465), (11418, 35055), (11685, 34254), (12177, 32870), (13530, 29583), (14022, 28545), (14186, 28215), (15570, 25707), (16435, 24354), (17127, 23370), (17138, 23355), (18810, 21279), (19030, 21033), (19722, 20295)]