287356880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50591}}^1$

素因数の和:50675

約数の個数: 40

約数和(自身を含む): 677528064

約数和(自身を除く): 390171184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 50591, 101182, 202364, 252955, 404728, 505910, 809456, 1011820, 2023640, 3591961, 4047280, 7183922, 14367844, 17959805, 28735688, 35919610, 57471376, 71839220, 143678440, 287356880]

約数ペア:

[(1, 287356880), (2, 143678440), (4, 71839220), (5, 57471376), (8, 35919610), (10, 28735688), (16, 17959805), (20, 14367844), (40, 7183922), (71, 4047280), (80, 3591961), (142, 2023640), (284, 1011820), (355, 809456), (568, 505910), (710, 404728), (1136, 252955), (1420, 202364), (2840, 101182), (5680, 50591)]