74928520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 104697080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 251, 340, 439, 502, 680, 878, 1004, 1255, 1756, 2008, 2195, 2510, 3512, 4267, 4390, 5020, 7463, 8534, 8780, 10040, 14926, 17068, 17560, 21335, 29852, 34136, 37315, 42670, 59704, 74630, 85340, 110189, 149260, 170680, 220378, 298520, 440756, 550945, 881512, 1101890, 1873213, 2203780, 3746426, 4407560, 7492852, 9366065, 14985704, 18732130, 37464260, 74928520]

約数ペア:

[(1, 74928520), (2, 37464260), (4, 18732130), (5, 14985704), (8, 9366065), (10, 7492852), (17, 4407560), (20, 3746426), (34, 2203780), (40, 1873213), (68, 1101890), (85, 881512), (136, 550945), (170, 440756), (251, 298520), (340, 220378), (439, 170680), (502, 149260), (680, 110189), (878, 85340), (1004, 74630), (1255, 59704), (1756, 42670), (2008, 37315), (2195, 34136), (2510, 29852), (3512, 21335), (4267, 17560), (4390, 17068), (5020, 14926), (7463, 10040), (8534, 8780)]