79721770

素因数分解:

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

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 148907520

約数和(自身を除く): 69185750

約数列:

[1, 2, 5, 10, 31, 62, 155, 229, 310, 458, 1123, 1145, 2246, 2290, 5615, 7099, 11230, 14198, 34813, 35495, 69626, 70990, 174065, 257167, 348130, 514334, 1285835, 2571670, 7972177, 15944354, 39860885, 79721770]

約数ペア:

[(1, 79721770), (2, 39860885), (5, 15944354), (10, 7972177), (31, 2571670), (62, 1285835), (155, 514334), (229, 348130), (310, 257167), (458, 174065), (1123, 70990), (1145, 69626), (2246, 35495), (2290, 34813), (5615, 14198), (7099, 11230)]