69895000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 187252560

約数和(自身を除く): 117357560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 1997, 2500, 3500, 3994, 4375, 5000, 7000, 7988, 8750, 9985, 13979, 15976, 17500, 19970, 27958, 35000, 39940, 49925, 55916, 69895, 79880, 99850, 111832, 139790, 199700, 249625, 279580, 349475, 399400, 499250, 559160, 698950, 998500, 1248125, 1397900, 1747375, 1997000, 2496250, 2795800, 3494750, 4992500, 6989500, 8736875, 9985000, 13979000, 17473750, 34947500, 69895000]

約数ペア:

[(1, 69895000), (2, 34947500), (4, 17473750), (5, 13979000), (7, 9985000), (8, 8736875), (10, 6989500), (14, 4992500), (20, 3494750), (25, 2795800), (28, 2496250), (35, 1997000), (40, 1747375), (50, 1397900), (56, 1248125), (70, 998500), (100, 698950), (125, 559160), (140, 499250), (175, 399400), (200, 349475), (250, 279580), (280, 249625), (350, 199700), (500, 139790), (625, 111832), (700, 99850), (875, 79880), (1000, 69895), (1250, 55916), (1400, 49925), (1750, 39940), (1997, 35000), (2500, 27958), (3500, 19970), (3994, 17500), (4375, 15976), (5000, 13979), (7000, 9985), (7988, 8750)]