89865000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 120

約数和(自身を含む): 304285410

約数和(自身を除く): 214420410

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 1997, 2250, 2500, 3000, 3750, 3994, 4500, 5000, 5625, 5991, 7500, 7988, 9000, 9985, 11250, 11982, 15000, 15976, 17973, 19970, 22500, 23964, 29955, 35946, 39940, 45000, 47928, 49925, 59910, 71892, 79880, 89865, 99850, 119820, 143784, 149775, 179730, 199700, 239640, 249625, 299550, 359460, 399400, 449325, 499250, 599100, 718920, 748875, 898650, 998500, 1198200, 1248125, 1497750, 1797300, 1997000, 2246625, 2496250, 2995500, 3594600, 3744375, 4493250, 4992500, 5991000, 7488750, 8986500, 9985000, 11233125, 14977500, 17973000, 22466250, 29955000, 44932500, 89865000]

約数ペア:

[(1, 89865000), (2, 44932500), (3, 29955000), (4, 22466250), (5, 17973000), (6, 14977500), (8, 11233125), (9, 9985000), (10, 8986500), (12, 7488750), (15, 5991000), (18, 4992500), (20, 4493250), (24, 3744375), (25, 3594600), (30, 2995500), (36, 2496250), (40, 2246625), (45, 1997000), (50, 1797300), (60, 1497750), (72, 1248125), (75, 1198200), (90, 998500), (100, 898650), (120, 748875), (125, 718920), (150, 599100), (180, 499250), (200, 449325), (225, 399400), (250, 359460), (300, 299550), (360, 249625), (375, 239640), (450, 199700), (500, 179730), (600, 149775), (625, 143784), (750, 119820), (900, 99850), (1000, 89865), (1125, 79880), (1250, 71892), (1500, 59910), (1800, 49925), (1875, 47928), (1997, 45000), (2250, 39940), (2500, 35946), (3000, 29955), (3750, 23964), (3994, 22500), (4500, 19970), (5000, 17973), (5625, 15976), (5991, 15000), (7500, 11982), (7988, 11250), (9000, 9985)]