40072690

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1669}}^1$

素因数の和:1704

約数の個数: 40

約数和(自身を含む): 84198060

約数和(自身を除く): 44125370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1669, 1715, 2401, 3338, 3430, 4802, 8345, 11683, 12005, 16690, 23366, 24010, 58415, 81781, 116830, 163562, 408905, 572467, 817810, 1144934, 2862335, 4007269, 5724670, 8014538, 20036345, 40072690]

約数ペア:

[(1, 40072690), (2, 20036345), (5, 8014538), (7, 5724670), (10, 4007269), (14, 2862335), (35, 1144934), (49, 817810), (70, 572467), (98, 408905), (245, 163562), (343, 116830), (490, 81781), (686, 58415), (1669, 24010), (1715, 23366), (2401, 16690), (3338, 12005), (3430, 11683), (4802, 8345)]