391280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 935952

約数和(自身を除く): 544672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 73, 80, 134, 146, 268, 292, 335, 365, 536, 584, 670, 730, 1072, 1168, 1340, 1460, 2680, 2920, 4891, 5360, 5840, 9782, 19564, 24455, 39128, 48910, 78256, 97820, 195640, 391280]

約数ペア:

[(1, 391280), (2, 195640), (4, 97820), (5, 78256), (8, 48910), (10, 39128), (16, 24455), (20, 19564), (40, 9782), (67, 5840), (73, 5360), (80, 4891), (134, 2920), (146, 2680), (268, 1460), (292, 1340), (335, 1168), (365, 1072), (536, 730), (584, 670)]