4091990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{1193}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 8596800

約数和(自身を除く): 4504810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1193, 1715, 2386, 3430, 5965, 8351, 11930, 16702, 41755, 58457, 83510, 116914, 292285, 409199, 584570, 818398, 2045995, 4091990]

約数ペア:

[(1, 4091990), (2, 2045995), (5, 818398), (7, 584570), (10, 409199), (14, 292285), (35, 116914), (49, 83510), (70, 58457), (98, 41755), (245, 16702), (343, 11930), (490, 8351), (686, 5965), (1193, 3430), (1715, 2386)]