346880080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139871}}^1$

素因数の和:139915

約数の個数: 40

約数和(自身を含む): 832518144

約数和(自身を除く): 485638064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 139871, 279742, 559484, 699355, 1118968, 1398710, 2237936, 2797420, 4336001, 5594840, 8672002, 11189680, 17344004, 21680005, 34688008, 43360010, 69376016, 86720020, 173440040, 346880080]

約数ペア:

[(1, 346880080), (2, 173440040), (4, 86720020), (5, 69376016), (8, 43360010), (10, 34688008), (16, 21680005), (20, 17344004), (31, 11189680), (40, 8672002), (62, 5594840), (80, 4336001), (124, 2797420), (155, 2237936), (248, 1398710), (310, 1118968), (496, 699355), (620, 559484), (1240, 279742), (2480, 139871)]