99158920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{354139}}^1$

素因数の和:354157

約数の個数: 32

約数和(自身を含む): 254980800

約数和(自身を除く): 155821880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 354139, 708278, 1416556, 1770695, 2478973, 2833112, 3541390, 4957946, 7082780, 9915892, 12394865, 14165560, 19831784, 24789730, 49579460, 99158920]

約数ペア:

[(1, 99158920), (2, 49579460), (4, 24789730), (5, 19831784), (7, 14165560), (8, 12394865), (10, 9915892), (14, 7082780), (20, 4957946), (28, 3541390), (35, 2833112), (40, 2478973), (56, 1770695), (70, 1416556), (140, 708278), (280, 354139)]