1648460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2222260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 127, 220, 236, 254, 295, 508, 590, 635, 649, 1180, 1270, 1298, 1397, 2540, 2596, 2794, 3245, 5588, 6490, 6985, 7493, 12980, 13970, 14986, 27940, 29972, 37465, 74930, 82423, 149860, 164846, 329692, 412115, 824230, 1648460]

約数ペア:

[(1, 1648460), (2, 824230), (4, 412115), (5, 329692), (10, 164846), (11, 149860), (20, 82423), (22, 74930), (44, 37465), (55, 29972), (59, 27940), (110, 14986), (118, 13970), (127, 12980), (220, 7493), (236, 6985), (254, 6490), (295, 5588), (508, 3245), (590, 2794), (635, 2596), (649, 2540), (1180, 1397), (1270, 1298)]