889175380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{10289}}^1$

素因数の和:10476

約数の個数: 48

約数和(自身を含む): 1944810000

約数和(自身を除く): 1055634620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 10289, 17284, 20578, 21605, 41156, 43210, 51445, 86420, 102890, 205780, 298381, 596762, 1193524, 1491905, 1533061, 2983810, 3066122, 5967620, 6132244, 7665305, 15330610, 30661220, 44458769, 88917538, 177835076, 222293845, 444587690, 889175380]

約数ペア:

[(1, 889175380), (2, 444587690), (4, 222293845), (5, 177835076), (10, 88917538), (20, 44458769), (29, 30661220), (58, 15330610), (116, 7665305), (145, 6132244), (149, 5967620), (290, 3066122), (298, 2983810), (580, 1533061), (596, 1491905), (745, 1193524), (1490, 596762), (2980, 298381), (4321, 205780), (8642, 102890), (10289, 86420), (17284, 51445), (20578, 43210), (21605, 41156)]