74863720

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3677}}^1$

素因数の和:4197

約数の個数: 32

約数和(自身を含む): 168820200

約数和(自身を除く): 93956480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 3677, 4072, 5090, 7354, 10180, 14708, 18385, 20360, 29416, 36770, 73540, 147080, 1871593, 3743186, 7486372, 9357965, 14972744, 18715930, 37431860, 74863720]

約数ペア:

[(1, 74863720), (2, 37431860), (4, 18715930), (5, 14972744), (8, 9357965), (10, 7486372), (20, 3743186), (40, 1871593), (509, 147080), (1018, 73540), (2036, 36770), (2545, 29416), (3677, 20360), (4072, 18385), (5090, 14708), (7354, 10180)]