256421530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{9851}}^1$

素因数の和:10014

約数の個数: 32

約数和(自身を含む): 489447360

約数和(自身を除く): 233025830

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1370, 2603, 5206, 9851, 13015, 19702, 26030, 49255, 98510, 187169, 374338, 935845, 1349587, 1871690, 2699174, 6747935, 13495870, 25642153, 51284306, 128210765, 256421530]

約数ペア:

[(1, 256421530), (2, 128210765), (5, 51284306), (10, 25642153), (19, 13495870), (38, 6747935), (95, 2699174), (137, 1871690), (190, 1349587), (274, 935845), (685, 374338), (1370, 187169), (2603, 98510), (5206, 49255), (9851, 26030), (13015, 19702)]