2290420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3152780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 359, 580, 638, 718, 1276, 1436, 1595, 1795, 3190, 3590, 3949, 6380, 7180, 7898, 10411, 15796, 19745, 20822, 39490, 41644, 52055, 78980, 104110, 114521, 208220, 229042, 458084, 572605, 1145210, 2290420]

約数ペア:

[(1, 2290420), (2, 1145210), (4, 572605), (5, 458084), (10, 229042), (11, 208220), (20, 114521), (22, 104110), (29, 78980), (44, 52055), (55, 41644), (58, 39490), (110, 20822), (116, 19745), (145, 15796), (220, 10411), (290, 7898), (319, 7180), (359, 6380), (580, 3949), (638, 3590), (718, 3190), (1276, 1795), (1436, 1595)]