491626520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 256

約数和(自身を含む): 1504051200

約数和(自身を除く): 1012424680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 40, 44, 55, 56, 62, 70, 76, 77, 88, 95, 110, 124, 133, 140, 152, 154, 155, 190, 209, 217, 220, 248, 266, 271, 280, 308, 310, 341, 380, 385, 418, 434, 440, 532, 542, 589, 616, 620, 665, 682, 760, 770, 836, 868, 1045, 1064, 1084, 1085, 1178, 1240, 1330, 1355, 1364, 1463, 1540, 1672, 1705, 1736, 1897, 2090, 2168, 2170, 2356, 2387, 2660, 2710, 2728, 2926, 2945, 2981, 3080, 3410, 3794, 4123, 4180, 4340, 4712, 4774, 5149, 5320, 5420, 5852, 5890, 5962, 6479, 6820, 7315, 7588, 8246, 8360, 8401, 8680, 9485, 9548, 10298, 10840, 11704, 11780, 11924, 11935, 12958, 13640, 14630, 14905, 15176, 16492, 16802, 18970, 19096, 20596, 20615, 20867, 23560, 23848, 23870, 25745, 25916, 29260, 29810, 32395, 32984, 33604, 36043, 37940, 41192, 41230, 41734, 42005, 45353, 47740, 51490, 51832, 56639, 58520, 58807, 59620, 64790, 67208, 72086, 75880, 82460, 83468, 84010, 90706, 92411, 95480, 102980, 104335, 113278, 117614, 119240, 129580, 144172, 159619, 164920, 166936, 168020, 180215, 181412, 184822, 205960, 208670, 226556, 226765, 235228, 259160, 283195, 288344, 294035, 319238, 336040, 360430, 362824, 369644, 396473, 417340, 453112, 453530, 462055, 470456, 566390, 588070, 638476, 646877, 720860, 739288, 792946, 798095, 834680, 907060, 924110, 1117333, 1132780, 1176140, 1276952, 1293754, 1441720, 1585892, 1596190, 1755809, 1814120, 1848220, 1982365, 2234666, 2265560, 2352280, 2587508, 3171784, 3192380, 3234385, 3511618, 3696440, 3964730, 4469332, 5175016, 5586665, 6384760, 6468770, 7023236, 7929460, 8779045, 8938664, 11173330, 12290663, 12937540, 14046472, 15858920, 17558090, 22346660, 24581326, 25875080, 35116180, 44693320, 49162652, 61453315, 70232360, 98325304, 122906630, 245813260, 491626520]

約数ペア:

[(1, 491626520), (2, 245813260), (4, 122906630), (5, 98325304), (7, 70232360), (8, 61453315), (10, 49162652), (11, 44693320), (14, 35116180), (19, 25875080), (20, 24581326), (22, 22346660), (28, 17558090), (31, 15858920), (35, 14046472), (38, 12937540), (40, 12290663), (44, 11173330), (55, 8938664), (56, 8779045), (62, 7929460), (70, 7023236), (76, 6468770), (77, 6384760), (88, 5586665), (95, 5175016), (110, 4469332), (124, 3964730), (133, 3696440), (140, 3511618), (152, 3234385), (154, 3192380), (155, 3171784), (190, 2587508), (209, 2352280), (217, 2265560), (220, 2234666), (248, 1982365), (266, 1848220), (271, 1814120), (280, 1755809), (308, 1596190), (310, 1585892), (341, 1441720), (380, 1293754), (385, 1276952), (418, 1176140), (434, 1132780), (440, 1117333), (532, 924110), (542, 907060), (589, 834680), (616, 798095), (620, 792946), (665, 739288), (682, 720860), (760, 646877), (770, 638476), (836, 588070), (868, 566390), (1045, 470456), (1064, 462055), (1084, 453530), (1085, 453112), (1178, 417340), (1240, 396473), (1330, 369644), (1355, 362824), (1364, 360430), (1463, 336040), (1540, 319238), (1672, 294035), (1705, 288344), (1736, 283195), (1897, 259160), (2090, 235228), (2168, 226765), (2170, 226556), (2356, 208670), (2387, 205960), (2660, 184822), (2710, 181412), (2728, 180215), (2926, 168020), (2945, 166936), (2981, 164920), (3080, 159619), (3410, 144172), (3794, 129580), (4123, 119240), (4180, 117614), (4340, 113278), (4712, 104335), (4774, 102980), (5149, 95480), (5320, 92411), (5420, 90706), (5852, 84010), (5890, 83468), (5962, 82460), (6479, 75880), (6820, 72086), (7315, 67208), (7588, 64790), (8246, 59620), (8360, 58807), (8401, 58520), (8680, 56639), (9485, 51832), (9548, 51490), (10298, 47740), (10840, 45353), (11704, 42005), (11780, 41734), (11924, 41230), (11935, 41192), (12958, 37940), (13640, 36043), (14630, 33604), (14905, 32984), (15176, 32395), (16492, 29810), (16802, 29260), (18970, 25916), (19096, 25745), (20596, 23870), (20615, 23848), (20867, 23560)]