888911980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 2304828288

約数和(自身を除く): 1415916308

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 41, 44, 55, 62, 68, 82, 85, 110, 121, 124, 155, 164, 170, 187, 205, 220, 242, 289, 310, 340, 341, 374, 410, 451, 484, 527, 578, 605, 620, 682, 697, 748, 820, 902, 935, 1054, 1156, 1210, 1271, 1364, 1394, 1445, 1705, 1804, 1870, 2057, 2108, 2255, 2420, 2542, 2635, 2788, 2890, 3179, 3410, 3485, 3740, 3751, 4114, 4510, 4961, 5084, 5270, 5780, 5797, 6355, 6358, 6820, 6970, 7502, 7667, 8228, 8959, 9020, 9922, 10285, 10540, 11594, 11849, 12710, 12716, 13940, 13981, 15004, 15334, 15895, 17918, 18755, 19844, 20570, 21607, 23188, 23698, 24805, 25420, 27962, 28985, 30668, 31790, 34969, 35836, 37510, 38335, 41140, 43214, 44795, 47396, 49610, 55924, 57970, 59245, 63580, 63767, 69905, 69938, 75020, 76670, 84337, 86428, 89590, 98549, 99220, 108035, 115940, 118490, 127534, 130339, 139810, 139876, 153340, 153791, 168674, 174845, 179180, 197098, 216070, 236980, 237677, 255068, 260678, 279620, 307582, 318835, 337348, 349690, 367319, 394196, 421685, 432140, 475354, 492745, 521356, 615164, 637670, 651695, 699380, 734638, 768955, 843370, 950708, 985490, 1084039, 1188385, 1275340, 1303390, 1433729, 1469276, 1537910, 1686740, 1836595, 1970980, 2168078, 2376770, 2606780, 2614447, 2867458, 3075820, 3673190, 4040509, 4336156, 4753540, 5228894, 5420195, 5734916, 7168645, 7346380, 8081018, 10457788, 10840390, 13072235, 14337290, 16162036, 20202545, 21680780, 26144470, 28674580, 40405090, 44445599, 52288940, 80810180, 88891198, 177782396, 222227995, 444455990, 888911980]

約数ペア:

[(1, 888911980), (2, 444455990), (4, 222227995), (5, 177782396), (10, 88891198), (11, 80810180), (17, 52288940), (20, 44445599), (22, 40405090), (31, 28674580), (34, 26144470), (41, 21680780), (44, 20202545), (55, 16162036), (62, 14337290), (68, 13072235), (82, 10840390), (85, 10457788), (110, 8081018), (121, 7346380), (124, 7168645), (155, 5734916), (164, 5420195), (170, 5228894), (187, 4753540), (205, 4336156), (220, 4040509), (242, 3673190), (289, 3075820), (310, 2867458), (340, 2614447), (341, 2606780), (374, 2376770), (410, 2168078), (451, 1970980), (484, 1836595), (527, 1686740), (578, 1537910), (605, 1469276), (620, 1433729), (682, 1303390), (697, 1275340), (748, 1188385), (820, 1084039), (902, 985490), (935, 950708), (1054, 843370), (1156, 768955), (1210, 734638), (1271, 699380), (1364, 651695), (1394, 637670), (1445, 615164), (1705, 521356), (1804, 492745), (1870, 475354), (2057, 432140), (2108, 421685), (2255, 394196), (2420, 367319), (2542, 349690), (2635, 337348), (2788, 318835), (2890, 307582), (3179, 279620), (3410, 260678), (3485, 255068), (3740, 237677), (3751, 236980), (4114, 216070), (4510, 197098), (4961, 179180), (5084, 174845), (5270, 168674), (5780, 153791), (5797, 153340), (6355, 139876), (6358, 139810), (6820, 130339), (6970, 127534), (7502, 118490), (7667, 115940), (8228, 108035), (8959, 99220), (9020, 98549), (9922, 89590), (10285, 86428), (10540, 84337), (11594, 76670), (11849, 75020), (12710, 69938), (12716, 69905), (13940, 63767), (13981, 63580), (15004, 59245), (15334, 57970), (15895, 55924), (17918, 49610), (18755, 47396), (19844, 44795), (20570, 43214), (21607, 41140), (23188, 38335), (23698, 37510), (24805, 35836), (25420, 34969), (27962, 31790), (28985, 30668)]