203720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 501120

約数和(自身を除く): 297400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 463, 926, 1852, 2315, 3704, 4630, 5093, 9260, 10186, 18520, 20372, 25465, 40744, 50930, 101860, 203720]

約数ペア:

[(1, 203720), (2, 101860), (4, 50930), (5, 40744), (8, 25465), (10, 20372), (11, 18520), (20, 10186), (22, 9260), (40, 5093), (44, 4630), (55, 3704), (88, 2315), (110, 1852), (220, 926), (440, 463)]