202078940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206203}}^1$

素因数の和:206226

約数の個数: 36

約数和(自身を含む): 493652376

約数和(自身を除く): 291573436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206203, 412406, 824812, 1031015, 1443421, 2062030, 2886842, 4124060, 5773684, 7217105, 10103947, 14434210, 20207894, 28868420, 40415788, 50519735, 101039470, 202078940]

約数ペア:

[(1, 202078940), (2, 101039470), (4, 50519735), (5, 40415788), (7, 28868420), (10, 20207894), (14, 14434210), (20, 10103947), (28, 7217105), (35, 5773684), (49, 4124060), (70, 2886842), (98, 2062030), (140, 1443421), (196, 1031015), (245, 824812), (490, 412406), (980, 206203)]