388331390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{1447}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 715613184

約数和(自身を除く): 327281794

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 571, 1142, 1447, 2855, 2894, 5710, 7235, 14470, 26837, 53674, 68009, 134185, 136018, 268370, 340045, 680090, 826237, 1652474, 4131185, 8262370, 38833139, 77666278, 194165695, 388331390]

約数ペア:

[(1, 388331390), (2, 194165695), (5, 77666278), (10, 38833139), (47, 8262370), (94, 4131185), (235, 1652474), (470, 826237), (571, 680090), (1142, 340045), (1447, 268370), (2855, 136018), (2894, 134185), (5710, 68009), (7235, 53674), (14470, 26837)]