68501020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69899}}^1$

素因数の和:69922

約数の個数: 36

約数和(自身を含む): 167340600

約数和(自身を除く): 98839580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69899, 139798, 279596, 349495, 489293, 698990, 978586, 1397980, 1957172, 2446465, 3425051, 4892930, 6850102, 9785860, 13700204, 17125255, 34250510, 68501020]

約数ペア:

[(1, 68501020), (2, 34250510), (4, 17125255), (5, 13700204), (7, 9785860), (10, 6850102), (14, 4892930), (20, 3425051), (28, 2446465), (35, 1957172), (49, 1397980), (70, 978586), (98, 698990), (140, 489293), (196, 349495), (245, 279596), (490, 139798), (980, 69899)]