2021962500

素因数分解:

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

素因数の和:2038

約数の個数: 180

約数和(自身を含む): 6610147236

約数和(自身を除く): 4588184736

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 625, 675, 750, 810, 900, 1125, 1250, 1350, 1500, 1620, 1875, 1997, 2025, 2250, 2500, 2700, 3125, 3375, 3750, 3994, 4050, 4500, 5625, 5991, 6250, 6750, 7500, 7988, 8100, 9375, 9985, 10125, 11250, 11982, 12500, 13500, 16875, 17973, 18750, 19970, 20250, 22500, 23964, 28125, 29955, 33750, 35946, 37500, 39940, 40500, 49925, 50625, 53919, 56250, 59910, 67500, 71892, 84375, 89865, 99850, 101250, 107838, 112500, 119820, 149775, 161757, 168750, 179730, 199700, 202500, 215676, 249625, 253125, 269595, 299550, 323514, 337500, 359460, 449325, 499250, 506250, 539190, 599100, 647028, 748875, 808785, 898650, 998500, 1012500, 1078380, 1248125, 1347975, 1497750, 1617570, 1797300, 2246625, 2496250, 2695950, 2995500, 3235140, 3744375, 4043925, 4493250, 4992500, 5391900, 6240625, 6739875, 7488750, 8087850, 8986500, 11233125, 12481250, 13479750, 14977500, 16175700, 18721875, 20219625, 22466250, 24962500, 26959500, 33699375, 37443750, 40439250, 44932500, 56165625, 67398750, 74887500, 80878500, 101098125, 112331250, 134797500, 168496875, 202196250, 224662500, 336993750, 404392500, 505490625, 673987500, 1010981250, 2021962500]

約数ペア:

[(1, 2021962500), (2, 1010981250), (3, 673987500), (4, 505490625), (5, 404392500), (6, 336993750), (9, 224662500), (10, 202196250), (12, 168496875), (15, 134797500), (18, 112331250), (20, 101098125), (25, 80878500), (27, 74887500), (30, 67398750), (36, 56165625), (45, 44932500), (50, 40439250), (54, 37443750), (60, 33699375), (75, 26959500), (81, 24962500), (90, 22466250), (100, 20219625), (108, 18721875), (125, 16175700), (135, 14977500), (150, 13479750), (162, 12481250), (180, 11233125), (225, 8986500), (250, 8087850), (270, 7488750), (300, 6739875), (324, 6240625), (375, 5391900), (405, 4992500), (450, 4493250), (500, 4043925), (540, 3744375), (625, 3235140), (675, 2995500), (750, 2695950), (810, 2496250), (900, 2246625), (1125, 1797300), (1250, 1617570), (1350, 1497750), (1500, 1347975), (1620, 1248125), (1875, 1078380), (1997, 1012500), (2025, 998500), (2250, 898650), (2500, 808785), (2700, 748875), (3125, 647028), (3375, 599100), (3750, 539190), (3994, 506250), (4050, 499250), (4500, 449325), (5625, 359460), (5991, 337500), (6250, 323514), (6750, 299550), (7500, 269595), (7988, 253125), (8100, 249625), (9375, 215676), (9985, 202500), (10125, 199700), (11250, 179730), (11982, 168750), (12500, 161757), (13500, 149775), (16875, 119820), (17973, 112500), (18750, 107838), (19970, 101250), (20250, 99850), (22500, 89865), (23964, 84375), (28125, 71892), (29955, 67500), (33750, 59910), (35946, 56250), (37500, 53919), (39940, 50625), (40500, 49925)]