2357180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 5745600

約数和(自身を除く): 3388420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 149, 226, 298, 452, 565, 596, 745, 791, 1043, 1130, 1490, 1582, 2086, 2260, 2980, 3164, 3955, 4172, 5215, 7910, 10430, 15820, 16837, 20860, 33674, 67348, 84185, 117859, 168370, 235718, 336740, 471436, 589295, 1178590, 2357180]

約数ペア:

[(1, 2357180), (2, 1178590), (4, 589295), (5, 471436), (7, 336740), (10, 235718), (14, 168370), (20, 117859), (28, 84185), (35, 67348), (70, 33674), (113, 20860), (140, 16837), (149, 15820), (226, 10430), (298, 7910), (452, 5215), (565, 4172), (596, 3955), (745, 3164), (791, 2980), (1043, 2260), (1130, 2086), (1490, 1582)]