1688893580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 3954871872

約数和(自身を除く): 2265978292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 317, 397, 610, 634, 671, 794, 1220, 1268, 1342, 1585, 1588, 1985, 2684, 3170, 3355, 3487, 3970, 4367, 6340, 6710, 6974, 7940, 8734, 13420, 13948, 17435, 17468, 19337, 21835, 24217, 34870, 38674, 43670, 48434, 69740, 77348, 87340, 96685, 96868, 121085, 125849, 193370, 212707, 242170, 251698, 266387, 386740, 425414, 484340, 503396, 532774, 629245, 850828, 1063535, 1065548, 1258490, 1331935, 1384339, 2127070, 2516980, 2663870, 2768678, 4254140, 5327740, 5537356, 6921695, 7676789, 13843390, 15353578, 27686780, 30707156, 38383945, 76767890, 84444679, 153535780, 168889358, 337778716, 422223395, 844446790, 1688893580]

約数ペア:

[(1, 1688893580), (2, 844446790), (4, 422223395), (5, 337778716), (10, 168889358), (11, 153535780), (20, 84444679), (22, 76767890), (44, 38383945), (55, 30707156), (61, 27686780), (110, 15353578), (122, 13843390), (220, 7676789), (244, 6921695), (305, 5537356), (317, 5327740), (397, 4254140), (610, 2768678), (634, 2663870), (671, 2516980), (794, 2127070), (1220, 1384339), (1268, 1331935), (1342, 1258490), (1585, 1065548), (1588, 1063535), (1985, 850828), (2684, 629245), (3170, 532774), (3355, 503396), (3487, 484340), (3970, 425414), (4367, 386740), (6340, 266387), (6710, 251698), (6974, 242170), (7940, 212707), (8734, 193370), (13420, 125849), (13948, 121085), (17435, 96868), (17468, 96685), (19337, 87340), (21835, 77348), (24217, 69740), (34870, 48434), (38674, 43670)]