398370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{271}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 1116288

約数和(自身を除く): 717918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 271, 294, 490, 542, 735, 813, 1355, 1470, 1626, 1897, 2710, 3794, 4065, 5691, 8130, 9485, 11382, 13279, 18970, 26558, 28455, 39837, 56910, 66395, 79674, 132790, 199185, 398370]

約数ペア:

[(1, 398370), (2, 199185), (3, 132790), (5, 79674), (6, 66395), (7, 56910), (10, 39837), (14, 28455), (15, 26558), (21, 18970), (30, 13279), (35, 11382), (42, 9485), (49, 8130), (70, 5691), (98, 4065), (105, 3794), (147, 2710), (210, 1897), (245, 1626), (271, 1470), (294, 1355), (490, 813), (542, 735)]