2520721000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8783}}^1$

素因数の和:8852

約数の個数: 128

約数和(自身を含む): 6906332160

約数和(自身を除く): 4385611160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 125, 140, 164, 175, 200, 205, 250, 280, 287, 328, 350, 410, 500, 574, 700, 820, 875, 1000, 1025, 1148, 1400, 1435, 1640, 1750, 2050, 2296, 2870, 3500, 4100, 5125, 5740, 7000, 7175, 8200, 8783, 10250, 11480, 14350, 17566, 20500, 28700, 35132, 35875, 41000, 43915, 57400, 61481, 70264, 71750, 87830, 122962, 143500, 175660, 219575, 245924, 287000, 307405, 351320, 360103, 439150, 491848, 614810, 720206, 878300, 1097875, 1229620, 1440412, 1537025, 1756600, 1800515, 2195750, 2459240, 2520721, 2880824, 3074050, 3601030, 4391500, 5041442, 6148100, 7202060, 7685125, 8783000, 9002575, 10082884, 12296200, 12603605, 14404120, 15370250, 18005150, 20165768, 25207210, 30740500, 36010300, 45012875, 50414420, 61481000, 63018025, 72020600, 90025750, 100828840, 126036050, 180051500, 252072100, 315090125, 360103000, 504144200, 630180250, 1260360500, 2520721000]

約数ペア:

[(1, 2520721000), (2, 1260360500), (4, 630180250), (5, 504144200), (7, 360103000), (8, 315090125), (10, 252072100), (14, 180051500), (20, 126036050), (25, 100828840), (28, 90025750), (35, 72020600), (40, 63018025), (41, 61481000), (50, 50414420), (56, 45012875), (70, 36010300), (82, 30740500), (100, 25207210), (125, 20165768), (140, 18005150), (164, 15370250), (175, 14404120), (200, 12603605), (205, 12296200), (250, 10082884), (280, 9002575), (287, 8783000), (328, 7685125), (350, 7202060), (410, 6148100), (500, 5041442), (574, 4391500), (700, 3601030), (820, 3074050), (875, 2880824), (1000, 2520721), (1025, 2459240), (1148, 2195750), (1400, 1800515), (1435, 1756600), (1640, 1537025), (1750, 1440412), (2050, 1229620), (2296, 1097875), (2870, 878300), (3500, 720206), (4100, 614810), (5125, 491848), (5740, 439150), (7000, 360103), (7175, 351320), (8200, 307405), (8783, 287000), (10250, 245924), (11480, 219575), (14350, 175660), (17566, 143500), (20500, 122962), (28700, 87830), (35132, 71750), (35875, 70264), (41000, 61481), (43915, 57400)]