72758420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519703}}^1$

素因数の和:519719

約数の個数: 24

約数和(自身を含む): 174620544

約数和(自身を除く): 101862124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519703, 1039406, 2078812, 2598515, 3637921, 5197030, 7275842, 10394060, 14551684, 18189605, 36379210, 72758420]

約数ペア:

[(1, 72758420), (2, 36379210), (4, 18189605), (5, 14551684), (7, 10394060), (10, 7275842), (14, 5197030), (20, 3637921), (28, 2598515), (35, 2078812), (70, 1039406), (140, 519703)]