212460400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7481}}^1$

素因数の和:7570

約数の個数: 60

約数和(自身を含む): 517694544

約数和(自身を除く): 305234144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 7481, 14200, 14962, 28400, 29924, 37405, 59848, 74810, 119696, 149620, 187025, 299240, 374050, 531151, 598480, 748100, 1062302, 1496200, 2124604, 2655755, 2992400, 4249208, 5311510, 8498416, 10623020, 13278775, 21246040, 26557550, 42492080, 53115100, 106230200, 212460400]

約数ペア:

[(1, 212460400), (2, 106230200), (4, 53115100), (5, 42492080), (8, 26557550), (10, 21246040), (16, 13278775), (20, 10623020), (25, 8498416), (40, 5311510), (50, 4249208), (71, 2992400), (80, 2655755), (100, 2124604), (142, 1496200), (200, 1062302), (284, 748100), (355, 598480), (400, 531151), (568, 374050), (710, 299240), (1136, 187025), (1420, 149620), (1775, 119696), (2840, 74810), (3550, 59848), (5680, 37405), (7100, 29924), (7481, 28400), (14200, 14962)]