245862390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{190591}}^1$

素因数の和:190644

約数の個数: 32

約数和(自身を含む): 603795456

約数和(自身を除く): 357933066

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 190591, 381182, 571773, 952955, 1143546, 1905910, 2858865, 5717730, 8195413, 16390826, 24586239, 40977065, 49172478, 81954130, 122931195, 245862390]

約数ペア:

[(1, 245862390), (2, 122931195), (3, 81954130), (5, 49172478), (6, 40977065), (10, 24586239), (15, 16390826), (30, 8195413), (43, 5717730), (86, 2858865), (129, 1905910), (215, 1143546), (258, 952955), (430, 571773), (645, 381182), (1290, 190591)]