157898980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 342054720

約数和(自身を除く): 184155740

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 379, 563, 740, 758, 1126, 1516, 1895, 2252, 2815, 3790, 5630, 7580, 11260, 14023, 20831, 28046, 41662, 56092, 70115, 83324, 104155, 140230, 208310, 213377, 280460, 416620, 426754, 853508, 1066885, 2133770, 4267540, 7894949, 15789898, 31579796, 39474745, 78949490, 157898980]

約数ペア:

[(1, 157898980), (2, 78949490), (4, 39474745), (5, 31579796), (10, 15789898), (20, 7894949), (37, 4267540), (74, 2133770), (148, 1066885), (185, 853508), (370, 426754), (379, 416620), (563, 280460), (740, 213377), (758, 208310), (1126, 140230), (1516, 104155), (1895, 83324), (2252, 70115), (2815, 56092), (3790, 41662), (5630, 28046), (7580, 20831), (11260, 14023)]