2021752690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 3849120000

約数和(自身を除く): 1827367310

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 149, 290, 298, 355, 659, 710, 745, 1318, 1490, 2059, 3295, 4118, 4321, 6590, 8642, 10295, 10579, 19111, 20590, 21158, 21605, 38222, 43210, 46789, 52895, 93578, 95555, 98191, 105790, 191110, 196382, 233945, 306791, 467890, 490955, 613582, 981910, 1356881, 1533955, 2713762, 2847539, 3067910, 5695078, 6784405, 6971561, 13568810, 13943122, 14237695, 28475390, 34857805, 69715610, 202175269, 404350538, 1010876345, 2021752690]

約数ペア:

[(1, 2021752690), (2, 1010876345), (5, 404350538), (10, 202175269), (29, 69715610), (58, 34857805), (71, 28475390), (142, 14237695), (145, 13943122), (149, 13568810), (290, 6971561), (298, 6784405), (355, 5695078), (659, 3067910), (710, 2847539), (745, 2713762), (1318, 1533955), (1490, 1356881), (2059, 981910), (3295, 613582), (4118, 490955), (4321, 467890), (6590, 306791), (8642, 233945), (10295, 196382), (10579, 191110), (19111, 105790), (20590, 98191), (21158, 95555), (21605, 93578), (38222, 52895), (43210, 46789)]