4000115

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 5786640

約数和(自身を除く): 1786525

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 563, 1015, 1421, 2815, 3941, 7105, 16327, 19705, 27587, 81635, 114289, 137935, 571445, 800023, 4000115]

約数ペア:

[(1, 4000115), (5, 800023), (7, 571445), (29, 137935), (35, 114289), (49, 81635), (145, 27587), (203, 19705), (245, 16327), (563, 7105), (1015, 3941), (1421, 2815)]