253446820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{3209}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 582422400

約数和(自身を除く): 328975580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 3209, 3590, 3949, 6418, 7180, 7898, 12836, 15796, 16045, 19745, 32090, 35299, 39490, 64180, 70598, 78980, 141196, 176495, 352990, 705980, 1152031, 2304062, 4608124, 5760155, 11520310, 12672341, 23040620, 25344682, 50689364, 63361705, 126723410, 253446820]

約数ペア:

[(1, 253446820), (2, 126723410), (4, 63361705), (5, 50689364), (10, 25344682), (11, 23040620), (20, 12672341), (22, 11520310), (44, 5760155), (55, 4608124), (110, 2304062), (220, 1152031), (359, 705980), (718, 352990), (1436, 176495), (1795, 141196), (3209, 78980), (3590, 70598), (3949, 64180), (6418, 39490), (7180, 35299), (7898, 32090), (12836, 19745), (15796, 16045)]