7489540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 16758000

約数和(自身を除く): 9268460

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 349, 370, 580, 698, 740, 1073, 1396, 1745, 2146, 3490, 4292, 5365, 6980, 10121, 10730, 12913, 20242, 21460, 25826, 40484, 50605, 51652, 64565, 101210, 129130, 202420, 258260, 374477, 748954, 1497908, 1872385, 3744770, 7489540]

約数ペア:

[(1, 7489540), (2, 3744770), (4, 1872385), (5, 1497908), (10, 748954), (20, 374477), (29, 258260), (37, 202420), (58, 129130), (74, 101210), (116, 64565), (145, 51652), (148, 50605), (185, 40484), (290, 25826), (349, 21460), (370, 20242), (580, 12913), (698, 10730), (740, 10121), (1073, 6980), (1396, 5365), (1745, 4292), (2146, 3490)]