390476

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 731136

約数和(自身を除く): 340660

約数列:

[1, 2, 4, 31, 47, 62, 67, 94, 124, 134, 188, 268, 1457, 2077, 2914, 3149, 4154, 5828, 6298, 8308, 12596, 97619, 195238, 390476]

約数ペア:

[(1, 390476), (2, 195238), (4, 97619), (31, 12596), (47, 8308), (62, 6298), (67, 5828), (94, 4154), (124, 3149), (134, 2914), (188, 2077), (268, 1457)]