2889820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 6451200

約数和(自身を除く): 3561380

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 79, 118, 124, 155, 158, 236, 295, 310, 316, 395, 590, 620, 790, 1180, 1580, 1829, 2449, 3658, 4661, 4898, 7316, 9145, 9322, 9796, 12245, 18290, 18644, 23305, 24490, 36580, 46610, 48980, 93220, 144491, 288982, 577964, 722455, 1444910, 2889820]

約数ペア:

[(1, 2889820), (2, 1444910), (4, 722455), (5, 577964), (10, 288982), (20, 144491), (31, 93220), (59, 48980), (62, 46610), (79, 36580), (118, 24490), (124, 23305), (155, 18644), (158, 18290), (236, 12245), (295, 9796), (310, 9322), (316, 9145), (395, 7316), (590, 4898), (620, 4661), (790, 3658), (1180, 2449), (1580, 1829)]