103988920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{371389}}^1$

素因数の和:371407

約数の個数: 32

約数和(自身を含む): 267400800

約数和(自身を除く): 163411880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 371389, 742778, 1485556, 1856945, 2599723, 2971112, 3713890, 5199446, 7427780, 10398892, 12998615, 14855560, 20797784, 25997230, 51994460, 103988920]

約数ペア:

[(1, 103988920), (2, 51994460), (4, 25997230), (5, 20797784), (7, 14855560), (8, 12998615), (10, 10398892), (14, 7427780), (20, 5199446), (28, 3713890), (35, 2971112), (40, 2599723), (56, 1856945), (70, 1485556), (140, 742778), (280, 371389)]