2040500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 5660928

約数和(自身を除く): 3620428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 53, 55, 70, 77, 100, 106, 110, 125, 140, 154, 175, 212, 220, 250, 265, 275, 308, 350, 371, 385, 500, 530, 550, 583, 700, 742, 770, 875, 1060, 1100, 1166, 1325, 1375, 1484, 1540, 1750, 1855, 1925, 2332, 2650, 2750, 2915, 3500, 3710, 3850, 4081, 5300, 5500, 5830, 6625, 7420, 7700, 8162, 9275, 9625, 11660, 13250, 14575, 16324, 18550, 19250, 20405, 26500, 29150, 37100, 38500, 40810, 46375, 58300, 72875, 81620, 92750, 102025, 145750, 185500, 204050, 291500, 408100, 510125, 1020250, 2040500]

約数ペア:

[(1, 2040500), (2, 1020250), (4, 510125), (5, 408100), (7, 291500), (10, 204050), (11, 185500), (14, 145750), (20, 102025), (22, 92750), (25, 81620), (28, 72875), (35, 58300), (44, 46375), (50, 40810), (53, 38500), (55, 37100), (70, 29150), (77, 26500), (100, 20405), (106, 19250), (110, 18550), (125, 16324), (140, 14575), (154, 13250), (175, 11660), (212, 9625), (220, 9275), (250, 8162), (265, 7700), (275, 7420), (308, 6625), (350, 5830), (371, 5500), (385, 5300), (500, 4081), (530, 3850), (550, 3710), (583, 3500), (700, 2915), (742, 2750), (770, 2650), (875, 2332), (1060, 1925), (1100, 1855), (1166, 1750), (1325, 1540), (1375, 1484)]