290322330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{420757}}^1$

素因数の和:420790

約数の個数: 32

約数和(自身を含む): 727069824

約数和(自身を除く): 436747494

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 420757, 841514, 1262271, 2103785, 2524542, 4207570, 6311355, 9677411, 12622710, 19354822, 29032233, 48387055, 58064466, 96774110, 145161165, 290322330]

約数ペア:

[(1, 290322330), (2, 145161165), (3, 96774110), (5, 58064466), (6, 48387055), (10, 29032233), (15, 19354822), (23, 12622710), (30, 9677411), (46, 6311355), (69, 4207570), (115, 2524542), (138, 2103785), (230, 1262271), (345, 841514), (690, 420757)]