1377774020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9841243}}^1$

素因数の和:9841259

約数の個数: 24

約数和(自身を含む): 3306657984

約数和(自身を除く): 1928883964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9841243, 19682486, 39364972, 49206215, 68888701, 98412430, 137777402, 196824860, 275554804, 344443505, 688887010, 1377774020]

約数ペア:

[(1, 1377774020), (2, 688887010), (4, 344443505), (5, 275554804), (7, 196824860), (10, 137777402), (14, 98412430), (20, 68888701), (28, 49206215), (35, 39364972), (70, 19682486), (140, 9841243)]