2128500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 7495488

約数和(自身を除く): 5366988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 43, 44, 45, 50, 55, 60, 66, 75, 86, 90, 99, 100, 110, 125, 129, 132, 150, 165, 172, 180, 198, 215, 220, 225, 250, 258, 275, 300, 330, 375, 387, 396, 430, 450, 473, 495, 500, 516, 550, 645, 660, 750, 774, 825, 860, 900, 946, 990, 1075, 1100, 1125, 1290, 1375, 1419, 1500, 1548, 1650, 1892, 1935, 1980, 2150, 2250, 2365, 2475, 2580, 2750, 2838, 3225, 3300, 3870, 4125, 4257, 4300, 4500, 4730, 4950, 5375, 5500, 5676, 6450, 7095, 7740, 8250, 8514, 9460, 9675, 9900, 10750, 11825, 12375, 12900, 14190, 16125, 16500, 17028, 19350, 21285, 21500, 23650, 24750, 28380, 32250, 35475, 38700, 42570, 47300, 48375, 49500, 59125, 64500, 70950, 85140, 96750, 106425, 118250, 141900, 177375, 193500, 212850, 236500, 354750, 425700, 532125, 709500, 1064250, 2128500]

約数ペア:

[(1, 2128500), (2, 1064250), (3, 709500), (4, 532125), (5, 425700), (6, 354750), (9, 236500), (10, 212850), (11, 193500), (12, 177375), (15, 141900), (18, 118250), (20, 106425), (22, 96750), (25, 85140), (30, 70950), (33, 64500), (36, 59125), (43, 49500), (44, 48375), (45, 47300), (50, 42570), (55, 38700), (60, 35475), (66, 32250), (75, 28380), (86, 24750), (90, 23650), (99, 21500), (100, 21285), (110, 19350), (125, 17028), (129, 16500), (132, 16125), (150, 14190), (165, 12900), (172, 12375), (180, 11825), (198, 10750), (215, 9900), (220, 9675), (225, 9460), (250, 8514), (258, 8250), (275, 7740), (300, 7095), (330, 6450), (375, 5676), (387, 5500), (396, 5375), (430, 4950), (450, 4730), (473, 4500), (495, 4300), (500, 4257), (516, 4125), (550, 3870), (645, 3300), (660, 3225), (750, 2838), (774, 2750), (825, 2580), (860, 2475), (900, 2365), (946, 2250), (990, 2150), (1075, 1980), (1100, 1935), (1125, 1892), (1290, 1650), (1375, 1548), (1419, 1500)]