287244020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2051743}}^1$

素因数の和:2051759

約数の個数: 24

約数和(自身を含む): 689385984

約数和(自身を除く): 402141964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2051743, 4103486, 8206972, 10258715, 14362201, 20517430, 28724402, 41034860, 57448804, 71811005, 143622010, 287244020]

約数ペア:

[(1, 287244020), (2, 143622010), (4, 71811005), (5, 57448804), (7, 41034860), (10, 28724402), (14, 20517430), (20, 14362201), (28, 10258715), (35, 8206972), (70, 4103486), (140, 2051743)]