85688890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4877}}^1$

素因数の和:5142

約数の個数: 32

約数和(自身を含む): 177012864

約数和(自身を除く): 91323974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 4877, 8785, 9754, 17570, 24385, 34139, 48770, 68278, 170695, 341390, 1224127, 2448254, 6120635, 8568889, 12241270, 17137778, 42844445, 85688890]

約数ペア:

[(1, 85688890), (2, 42844445), (5, 17137778), (7, 12241270), (10, 8568889), (14, 6120635), (35, 2448254), (70, 1224127), (251, 341390), (502, 170695), (1255, 68278), (1757, 48770), (2510, 34139), (3514, 24385), (4877, 17570), (8785, 9754)]