71017660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72467}}^1$

素因数の和:72490

約数の個数: 36

約数和(自身を含む): 173488392

約数和(自身を除く): 102470732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72467, 144934, 289868, 362335, 507269, 724670, 1014538, 1449340, 2029076, 2536345, 3550883, 5072690, 7101766, 10145380, 14203532, 17754415, 35508830, 71017660]

約数ペア:

[(1, 71017660), (2, 35508830), (4, 17754415), (5, 14203532), (7, 10145380), (10, 7101766), (14, 5072690), (20, 3550883), (28, 2536345), (35, 2029076), (49, 1449340), (70, 1014538), (98, 724670), (140, 507269), (196, 362335), (245, 289868), (490, 144934), (980, 72467)]