89945380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{91781}}^1$

素因数の和:91804

約数の個数: 36

約数和(自身を含む): 219726108

約数和(自身を除く): 129780728

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 91781, 183562, 367124, 458905, 642467, 917810, 1284934, 1835620, 2569868, 3212335, 4497269, 6424670, 8994538, 12849340, 17989076, 22486345, 44972690, 89945380]

約数ペア:

[(1, 89945380), (2, 44972690), (4, 22486345), (5, 17989076), (7, 12849340), (10, 8994538), (14, 6424670), (20, 4497269), (28, 3212335), (35, 2569868), (49, 1835620), (70, 1284934), (98, 917810), (140, 642467), (196, 458905), (245, 367124), (490, 183562), (980, 91781)]