2389500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{59}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 7927920

約数和(自身を除く): 5538420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 59, 60, 75, 81, 90, 100, 108, 118, 125, 135, 150, 162, 177, 180, 225, 236, 250, 270, 295, 300, 324, 354, 375, 405, 450, 500, 531, 540, 590, 675, 708, 750, 810, 885, 900, 1062, 1125, 1180, 1350, 1475, 1500, 1593, 1620, 1770, 2025, 2124, 2250, 2655, 2700, 2950, 3186, 3375, 3540, 4050, 4425, 4500, 4779, 5310, 5900, 6372, 6750, 7375, 7965, 8100, 8850, 9558, 10125, 10620, 13275, 13500, 14750, 15930, 17700, 19116, 20250, 22125, 23895, 26550, 29500, 31860, 39825, 40500, 44250, 47790, 53100, 66375, 79650, 88500, 95580, 119475, 132750, 159300, 199125, 238950, 265500, 398250, 477900, 597375, 796500, 1194750, 2389500]

約数ペア:

[(1, 2389500), (2, 1194750), (3, 796500), (4, 597375), (5, 477900), (6, 398250), (9, 265500), (10, 238950), (12, 199125), (15, 159300), (18, 132750), (20, 119475), (25, 95580), (27, 88500), (30, 79650), (36, 66375), (45, 53100), (50, 47790), (54, 44250), (59, 40500), (60, 39825), (75, 31860), (81, 29500), (90, 26550), (100, 23895), (108, 22125), (118, 20250), (125, 19116), (135, 17700), (150, 15930), (162, 14750), (177, 13500), (180, 13275), (225, 10620), (236, 10125), (250, 9558), (270, 8850), (295, 8100), (300, 7965), (324, 7375), (354, 6750), (375, 6372), (405, 5900), (450, 5310), (500, 4779), (531, 4500), (540, 4425), (590, 4050), (675, 3540), (708, 3375), (750, 3186), (810, 2950), (885, 2700), (900, 2655), (1062, 2250), (1125, 2124), (1180, 2025), (1350, 1770), (1475, 1620), (1500, 1593)]