74480740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 166320000

約数和(自身を除く): 91839260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 499, 878, 998, 1756, 1996, 2195, 2495, 4390, 4990, 7463, 8483, 8780, 9980, 14926, 16966, 29852, 33932, 37315, 42415, 74630, 84830, 149260, 169660, 219061, 438122, 876244, 1095305, 2190610, 3724037, 4381220, 7448074, 14896148, 18620185, 37240370, 74480740]

約数ペア:

[(1, 74480740), (2, 37240370), (4, 18620185), (5, 14896148), (10, 7448074), (17, 4381220), (20, 3724037), (34, 2190610), (68, 1095305), (85, 876244), (170, 438122), (340, 219061), (439, 169660), (499, 149260), (878, 84830), (998, 74630), (1756, 42415), (1996, 37315), (2195, 33932), (2495, 29852), (4390, 16966), (4990, 14926), (7463, 9980), (8483, 8780)]