72955340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 84534580

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 619, 710, 830, 1238, 1420, 1660, 2476, 3095, 5893, 6190, 11786, 12380, 23572, 29465, 43949, 51377, 58930, 87898, 102754, 117860, 175796, 205508, 219745, 256885, 439490, 513770, 878980, 1027540, 3647767, 7295534, 14591068, 18238835, 36477670, 72955340]

約数ペア:

[(1, 72955340), (2, 36477670), (4, 18238835), (5, 14591068), (10, 7295534), (20, 3647767), (71, 1027540), (83, 878980), (142, 513770), (166, 439490), (284, 256885), (332, 219745), (355, 205508), (415, 175796), (619, 117860), (710, 102754), (830, 87898), (1238, 58930), (1420, 51377), (1660, 43949), (2476, 29465), (3095, 23572), (5893, 12380), (6190, 11786)]