42765980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 49163620

約数列:

[1, 2, 4, 5, 10, 20, 113, 127, 149, 226, 254, 298, 452, 508, 565, 596, 635, 745, 1130, 1270, 1490, 2260, 2540, 2980, 14351, 16837, 18923, 28702, 33674, 37846, 57404, 67348, 71755, 75692, 84185, 94615, 143510, 168370, 189230, 287020, 336740, 378460, 2138299, 4276598, 8553196, 10691495, 21382990, 42765980]

約数ペア:

[(1, 42765980), (2, 21382990), (4, 10691495), (5, 8553196), (10, 4276598), (20, 2138299), (113, 378460), (127, 336740), (149, 287020), (226, 189230), (254, 168370), (298, 143510), (452, 94615), (508, 84185), (565, 75692), (596, 71755), (635, 67348), (745, 57404), (1130, 37846), (1270, 33674), (1490, 28702), (2260, 18923), (2540, 16837), (2980, 14351)]