29380180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 34486700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 269, 430, 508, 538, 635, 860, 1076, 1270, 1345, 2540, 2690, 5380, 5461, 10922, 11567, 21844, 23134, 27305, 34163, 46268, 54610, 57835, 68326, 109220, 115670, 136652, 170815, 231340, 341630, 683260, 1469009, 2938018, 5876036, 7345045, 14690090, 29380180]

約数ペア:

[(1, 29380180), (2, 14690090), (4, 7345045), (5, 5876036), (10, 2938018), (20, 1469009), (43, 683260), (86, 341630), (127, 231340), (172, 170815), (215, 136652), (254, 115670), (269, 109220), (430, 68326), (508, 57835), (538, 54610), (635, 46268), (860, 34163), (1076, 27305), (1270, 23134), (1345, 21844), (2540, 11567), (2690, 10922), (5380, 5461)]