12405740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 15112660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 181, 230, 298, 362, 460, 596, 724, 745, 905, 1490, 1810, 2980, 3427, 3620, 4163, 6854, 8326, 13708, 16652, 17135, 20815, 26969, 34270, 41630, 53938, 68540, 83260, 107876, 134845, 269690, 539380, 620287, 1240574, 2481148, 3101435, 6202870, 12405740]

約数ペア:

[(1, 12405740), (2, 6202870), (4, 3101435), (5, 2481148), (10, 1240574), (20, 620287), (23, 539380), (46, 269690), (92, 134845), (115, 107876), (149, 83260), (181, 68540), (230, 53938), (298, 41630), (362, 34270), (460, 26969), (596, 20815), (724, 17135), (745, 16652), (905, 13708), (1490, 8326), (1810, 6854), (2980, 4163), (3427, 3620)]