74339920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 178984080

約数和(自身を除く): 104644160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 178, 197, 212, 265, 356, 394, 424, 445, 530, 712, 788, 848, 890, 985, 1060, 1424, 1576, 1780, 1970, 2120, 3152, 3560, 3940, 4240, 4717, 7120, 7880, 9434, 10441, 15760, 17533, 18868, 20882, 23585, 35066, 37736, 41764, 47170, 52205, 70132, 75472, 83528, 87665, 94340, 104410, 140264, 167056, 175330, 188680, 208820, 280528, 350660, 377360, 417640, 701320, 835280, 929249, 1402640, 1858498, 3716996, 4646245, 7433992, 9292490, 14867984, 18584980, 37169960, 74339920]

約数ペア:

[(1, 74339920), (2, 37169960), (4, 18584980), (5, 14867984), (8, 9292490), (10, 7433992), (16, 4646245), (20, 3716996), (40, 1858498), (53, 1402640), (80, 929249), (89, 835280), (106, 701320), (178, 417640), (197, 377360), (212, 350660), (265, 280528), (356, 208820), (394, 188680), (424, 175330), (445, 167056), (530, 140264), (712, 104410), (788, 94340), (848, 87665), (890, 83528), (985, 75472), (1060, 70132), (1424, 52205), (1576, 47170), (1780, 41764), (1970, 37736), (2120, 35066), (3152, 23585), (3560, 20882), (3940, 18868), (4240, 17533), (4717, 15760), (7120, 10441), (7880, 9434)]