159443540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 347450880

約数和(自身を除く): 188007340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 1123, 1145, 2246, 2290, 4492, 4580, 5615, 7099, 11230, 14198, 22460, 28396, 34813, 35495, 69626, 70990, 139252, 141980, 174065, 257167, 348130, 514334, 696260, 1028668, 1285835, 2571670, 5143340, 7972177, 15944354, 31888708, 39860885, 79721770, 159443540]

約数ペア:

[(1, 159443540), (2, 79721770), (4, 39860885), (5, 31888708), (10, 15944354), (20, 7972177), (31, 5143340), (62, 2571670), (124, 1285835), (155, 1028668), (229, 696260), (310, 514334), (458, 348130), (620, 257167), (916, 174065), (1123, 141980), (1145, 139252), (2246, 70990), (2290, 69626), (4492, 35495), (4580, 34813), (5615, 28396), (7099, 22460), (11230, 14198)]