718920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 2337660

約数和(自身を除く): 1618740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1997, 3994, 5991, 7988, 9985, 11982, 15976, 17973, 19970, 23964, 29955, 35946, 39940, 47928, 59910, 71892, 79880, 89865, 119820, 143784, 179730, 239640, 359460, 718920]

約数ペア:

[(1, 718920), (2, 359460), (3, 239640), (4, 179730), (5, 143784), (6, 119820), (8, 89865), (9, 79880), (10, 71892), (12, 59910), (15, 47928), (18, 39940), (20, 35946), (24, 29955), (30, 23964), (36, 19970), (40, 17973), (45, 15976), (60, 11982), (72, 9985), (90, 7988), (120, 5991), (180, 3994), (360, 1997)]