143923580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1481}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 312215904

約数和(自身を除く): 168292324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 860, 1130, 1481, 2260, 2962, 4859, 5924, 7405, 9718, 14810, 19436, 24295, 29620, 48590, 63683, 97180, 127366, 167353, 254732, 318415, 334706, 636830, 669412, 836765, 1273660, 1673530, 3347060, 7196179, 14392358, 28784716, 35980895, 71961790, 143923580]

約数ペア:

[(1, 143923580), (2, 71961790), (4, 35980895), (5, 28784716), (10, 14392358), (20, 7196179), (43, 3347060), (86, 1673530), (113, 1273660), (172, 836765), (215, 669412), (226, 636830), (430, 334706), (452, 318415), (565, 254732), (860, 167353), (1130, 127366), (1481, 97180), (2260, 63683), (2962, 48590), (4859, 29620), (5924, 24295), (7405, 19436), (9718, 14810)]