1528779100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 3384345888

約数和(自身を除く): 1855566788

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 197, 284, 355, 394, 710, 788, 985, 1093, 1420, 1775, 1970, 2186, 3550, 3940, 4372, 4925, 5465, 7100, 9850, 10930, 13987, 19700, 21860, 27325, 27974, 54650, 55948, 69935, 77603, 109300, 139870, 155206, 215321, 279740, 310412, 349675, 388015, 430642, 699350, 776030, 861284, 1076605, 1398700, 1552060, 1940075, 2153210, 3880150, 4306420, 5383025, 7760300, 10766050, 15287791, 21532100, 30575582, 61151164, 76438955, 152877910, 305755820, 382194775, 764389550, 1528779100]

約数ペア:

[(1, 1528779100), (2, 764389550), (4, 382194775), (5, 305755820), (10, 152877910), (20, 76438955), (25, 61151164), (50, 30575582), (71, 21532100), (100, 15287791), (142, 10766050), (197, 7760300), (284, 5383025), (355, 4306420), (394, 3880150), (710, 2153210), (788, 1940075), (985, 1552060), (1093, 1398700), (1420, 1076605), (1775, 861284), (1970, 776030), (2186, 699350), (3550, 430642), (3940, 388015), (4372, 349675), (4925, 310412), (5465, 279740), (7100, 215321), (9850, 155206), (10930, 139870), (13987, 109300), (19700, 77603), (21860, 69935), (27325, 55948), (27974, 54650)]