74407870

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 61620290

約数列:

[1, 2, 5, 10, 163, 191, 239, 326, 382, 478, 815, 955, 1195, 1630, 1910, 2390, 31133, 38957, 45649, 62266, 77914, 91298, 155665, 194785, 228245, 311330, 389570, 456490, 7440787, 14881574, 37203935, 74407870]

約数ペア:

[(1, 74407870), (2, 37203935), (5, 14881574), (10, 7440787), (163, 456490), (191, 389570), (239, 311330), (326, 228245), (382, 194785), (478, 155665), (815, 91298), (955, 77914), (1195, 62266), (1630, 45649), (1910, 38957), (2390, 31133)]