620841640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1229}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 1425373200

約数和(自身を除く): 804531560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 173, 292, 346, 365, 584, 692, 730, 865, 1229, 1384, 1460, 1730, 2458, 2920, 3460, 4916, 6145, 6920, 9832, 12290, 12629, 24580, 25258, 49160, 50516, 63145, 89717, 101032, 126290, 179434, 212617, 252580, 358868, 425234, 448585, 505160, 717736, 850468, 897170, 1063085, 1700936, 1794340, 2126170, 3588680, 4252340, 8504680, 15521041, 31042082, 62084164, 77605205, 124168328, 155210410, 310420820, 620841640]

約数ペア:

[(1, 620841640), (2, 310420820), (4, 155210410), (5, 124168328), (8, 77605205), (10, 62084164), (20, 31042082), (40, 15521041), (73, 8504680), (146, 4252340), (173, 3588680), (292, 2126170), (346, 1794340), (365, 1700936), (584, 1063085), (692, 897170), (730, 850468), (865, 717736), (1229, 505160), (1384, 448585), (1460, 425234), (1730, 358868), (2458, 252580), (2920, 212617), (3460, 179434), (4916, 126290), (6145, 101032), (6920, 89717), (9832, 63145), (12290, 50516), (12629, 49160), (24580, 25258)]