42688690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 89579520

約数和(自身を除く): 46890830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 47, 55, 94, 110, 115, 230, 235, 253, 359, 470, 506, 517, 718, 1034, 1081, 1265, 1795, 2162, 2530, 2585, 3590, 3949, 5170, 5405, 7898, 8257, 10810, 11891, 16514, 16873, 19745, 23782, 33746, 39490, 41285, 59455, 82570, 84365, 90827, 118910, 168730, 181654, 185603, 371206, 388079, 454135, 776158, 908270, 928015, 1856030, 1940395, 3880790, 4268869, 8537738, 21344345, 42688690]

約数ペア:

[(1, 42688690), (2, 21344345), (5, 8537738), (10, 4268869), (11, 3880790), (22, 1940395), (23, 1856030), (46, 928015), (47, 908270), (55, 776158), (94, 454135), (110, 388079), (115, 371206), (230, 185603), (235, 181654), (253, 168730), (359, 118910), (470, 90827), (506, 84365), (517, 82570), (718, 59455), (1034, 41285), (1081, 39490), (1265, 33746), (1795, 23782), (2162, 19745), (2530, 16873), (2585, 16514), (3590, 11891), (3949, 10810), (5170, 8257), (5405, 7898)]