827143900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:580

約数の個数: 108

約数和(自身を含む): 1988638344

約数和(自身を除く): 1161494444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 197, 220, 242, 275, 347, 394, 484, 550, 605, 694, 788, 985, 1100, 1210, 1388, 1735, 1970, 2167, 2420, 3025, 3470, 3817, 3940, 4334, 4925, 6050, 6940, 7634, 8668, 8675, 9850, 10835, 12100, 15268, 17350, 19085, 19700, 21670, 23837, 34700, 38170, 41987, 43340, 47674, 54175, 68359, 76340, 83974, 95348, 95425, 108350, 119185, 136718, 167948, 190850, 209935, 216700, 238370, 273436, 341795, 381700, 419870, 476740, 595925, 683590, 751949, 839740, 1049675, 1191850, 1367180, 1503898, 1708975, 2099350, 2383700, 3007796, 3417950, 3759745, 4198700, 6835900, 7519490, 8271439, 15038980, 16542878, 18798725, 33085756, 37597450, 41357195, 75194900, 82714390, 165428780, 206785975, 413571950, 827143900]

約数ペア:

[(1, 827143900), (2, 413571950), (4, 206785975), (5, 165428780), (10, 82714390), (11, 75194900), (20, 41357195), (22, 37597450), (25, 33085756), (44, 18798725), (50, 16542878), (55, 15038980), (100, 8271439), (110, 7519490), (121, 6835900), (197, 4198700), (220, 3759745), (242, 3417950), (275, 3007796), (347, 2383700), (394, 2099350), (484, 1708975), (550, 1503898), (605, 1367180), (694, 1191850), (788, 1049675), (985, 839740), (1100, 751949), (1210, 683590), (1388, 595925), (1735, 476740), (1970, 419870), (2167, 381700), (2420, 341795), (3025, 273436), (3470, 238370), (3817, 216700), (3940, 209935), (4334, 190850), (4925, 167948), (6050, 136718), (6940, 119185), (7634, 108350), (8668, 95425), (8675, 95348), (9850, 83974), (10835, 76340), (12100, 68359), (15268, 54175), (17350, 47674), (19085, 43340), (19700, 41987), (21670, 38170), (23837, 34700)]