723351620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{4721}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 1561206528

約数和(自身を除く): 837854908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 163, 188, 235, 326, 470, 652, 815, 940, 1630, 3260, 4721, 7661, 9442, 15322, 18884, 23605, 30644, 38305, 47210, 76610, 94420, 153220, 221887, 443774, 769523, 887548, 1109435, 1539046, 2218870, 3078092, 3847615, 4437740, 7695230, 15390460, 36167581, 72335162, 144670324, 180837905, 361675810, 723351620]

約数ペア:

[(1, 723351620), (2, 361675810), (4, 180837905), (5, 144670324), (10, 72335162), (20, 36167581), (47, 15390460), (94, 7695230), (163, 4437740), (188, 3847615), (235, 3078092), (326, 2218870), (470, 1539046), (652, 1109435), (815, 887548), (940, 769523), (1630, 443774), (3260, 221887), (4721, 153220), (7661, 94420), (9442, 76610), (15322, 47210), (18884, 38305), (23605, 30644)]