131228510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13487}}^1$

素因数の和:13640

約数の個数: 32

約数和(自身を含む): 271918080

約数和(自身を除く): 140689570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 13487, 26974, 67435, 94409, 134870, 188818, 472045, 944090, 1874693, 3749386, 9373465, 13122851, 18746930, 26245702, 65614255, 131228510]

約数ペア:

[(1, 131228510), (2, 65614255), (5, 26245702), (7, 18746930), (10, 13122851), (14, 9373465), (35, 3749386), (70, 1874693), (139, 944090), (278, 472045), (695, 188818), (973, 134870), (1390, 94409), (1946, 67435), (4865, 26974), (9730, 13487)]