2903780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 6785856

約数和(自身を除く): 3882076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 197, 220, 268, 335, 394, 670, 737, 788, 985, 1340, 1474, 1970, 2167, 2948, 3685, 3940, 4334, 7370, 8668, 10835, 13199, 14740, 21670, 26398, 43340, 52796, 65995, 131990, 145189, 263980, 290378, 580756, 725945, 1451890, 2903780]

約数ペア:

[(1, 2903780), (2, 1451890), (4, 725945), (5, 580756), (10, 290378), (11, 263980), (20, 145189), (22, 131990), (44, 65995), (55, 52796), (67, 43340), (110, 26398), (134, 21670), (197, 14740), (220, 13199), (268, 10835), (335, 8668), (394, 7370), (670, 4334), (737, 3940), (788, 3685), (985, 2948), (1340, 2167), (1474, 1970)]