209685000

素因数分解:

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

素因数の和:2033

約数の個数: 160

約数和(自身を含む): 749010240

約数和(自身を除く): 539325240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 625, 700, 750, 840, 875, 1000, 1050, 1250, 1400, 1500, 1750, 1875, 1997, 2100, 2500, 2625, 3000, 3500, 3750, 3994, 4200, 4375, 5000, 5250, 5991, 7000, 7500, 7988, 8750, 9985, 10500, 11982, 13125, 13979, 15000, 15976, 17500, 19970, 21000, 23964, 26250, 27958, 29955, 35000, 39940, 41937, 47928, 49925, 52500, 55916, 59910, 69895, 79880, 83874, 99850, 105000, 111832, 119820, 139790, 149775, 167748, 199700, 209685, 239640, 249625, 279580, 299550, 335496, 349475, 399400, 419370, 499250, 559160, 599100, 698950, 748875, 838740, 998500, 1048425, 1198200, 1248125, 1397900, 1497750, 1677480, 1747375, 1997000, 2096850, 2496250, 2795800, 2995500, 3494750, 3744375, 4193700, 4992500, 5242125, 5991000, 6989500, 7488750, 8387400, 8736875, 9985000, 10484250, 13979000, 14977500, 17473750, 20968500, 26210625, 29955000, 34947500, 41937000, 52421250, 69895000, 104842500, 209685000]

約数ペア:

[(1, 209685000), (2, 104842500), (3, 69895000), (4, 52421250), (5, 41937000), (6, 34947500), (7, 29955000), (8, 26210625), (10, 20968500), (12, 17473750), (14, 14977500), (15, 13979000), (20, 10484250), (21, 9985000), (24, 8736875), (25, 8387400), (28, 7488750), (30, 6989500), (35, 5991000), (40, 5242125), (42, 4992500), (50, 4193700), (56, 3744375), (60, 3494750), (70, 2995500), (75, 2795800), (84, 2496250), (100, 2096850), (105, 1997000), (120, 1747375), (125, 1677480), (140, 1497750), (150, 1397900), (168, 1248125), (175, 1198200), (200, 1048425), (210, 998500), (250, 838740), (280, 748875), (300, 698950), (350, 599100), (375, 559160), (420, 499250), (500, 419370), (525, 399400), (600, 349475), (625, 335496), (700, 299550), (750, 279580), (840, 249625), (875, 239640), (1000, 209685), (1050, 199700), (1250, 167748), (1400, 149775), (1500, 139790), (1750, 119820), (1875, 111832), (1997, 105000), (2100, 99850), (2500, 83874), (2625, 79880), (3000, 69895), (3500, 59910), (3750, 55916), (3994, 52500), (4200, 49925), (4375, 47928), (5000, 41937), (5250, 39940), (5991, 35000), (7000, 29955), (7500, 27958), (7988, 26250), (8750, 23964), (9985, 21000), (10500, 19970), (11982, 17500), (13125, 15976), (13979, 15000)]