2491680400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{51481}}^1$

素因数の和:51521

約数の個数: 90

約数和(自身を含む): 6580068866

約数和(自身を除く): 4088388466

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1936, 2200, 2420, 3025, 4400, 4840, 6050, 9680, 12100, 24200, 48400, 51481, 102962, 205924, 257405, 411848, 514810, 566291, 823696, 1029620, 1132582, 1287025, 2059240, 2265164, 2574050, 2831455, 4118480, 4530328, 5148100, 5662910, 6229201, 9060656, 10296200, 11325820, 12458402, 14157275, 20592400, 22651640, 24916804, 28314550, 31146005, 45303280, 49833608, 56629100, 62292010, 99667216, 113258200, 124584020, 155730025, 226516400, 249168040, 311460050, 498336080, 622920100, 1245840200, 2491680400]

約数ペア:

[(1, 2491680400), (2, 1245840200), (4, 622920100), (5, 498336080), (8, 311460050), (10, 249168040), (11, 226516400), (16, 155730025), (20, 124584020), (22, 113258200), (25, 99667216), (40, 62292010), (44, 56629100), (50, 49833608), (55, 45303280), (80, 31146005), (88, 28314550), (100, 24916804), (110, 22651640), (121, 20592400), (176, 14157275), (200, 12458402), (220, 11325820), (242, 10296200), (275, 9060656), (400, 6229201), (440, 5662910), (484, 5148100), (550, 4530328), (605, 4118480), (880, 2831455), (968, 2574050), (1100, 2265164), (1210, 2059240), (1936, 1287025), (2200, 1132582), (2420, 1029620), (3025, 823696), (4400, 566291), (4840, 514810), (6050, 411848), (9680, 257405), (12100, 205924), (24200, 102962), (48400, 51481)]