64802990

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{2699}}^1$

素因数の和:2734

約数の個数: 40

約数和(自身を含む): 136128600

約数和(自身を除く): 71325610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 2699, 3430, 4802, 5398, 12005, 13495, 18893, 24010, 26990, 37786, 94465, 132251, 188930, 264502, 661255, 925757, 1322510, 1851514, 4628785, 6480299, 9257570, 12960598, 32401495, 64802990]

約数ペア:

[(1, 64802990), (2, 32401495), (5, 12960598), (7, 9257570), (10, 6480299), (14, 4628785), (35, 1851514), (49, 1322510), (70, 925757), (98, 661255), (245, 264502), (343, 188930), (490, 132251), (686, 94465), (1715, 37786), (2401, 26990), (2699, 24010), (3430, 18893), (4802, 13495), (5398, 12005)]