64718500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 180625536

約数和(自身を除く): 115907036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 41, 44, 50, 55, 70, 77, 82, 100, 110, 125, 140, 154, 164, 175, 205, 220, 250, 275, 287, 308, 350, 385, 410, 451, 500, 550, 574, 700, 770, 820, 875, 902, 1025, 1100, 1148, 1375, 1435, 1540, 1681, 1750, 1804, 1925, 2050, 2255, 2750, 2870, 3157, 3362, 3500, 3850, 4100, 4510, 5125, 5500, 5740, 6314, 6724, 7175, 7700, 8405, 9020, 9625, 10250, 11275, 11767, 12628, 14350, 15785, 16810, 18491, 19250, 20500, 22550, 23534, 28700, 31570, 33620, 35875, 36982, 38500, 42025, 45100, 47068, 56375, 58835, 63140, 71750, 73964, 78925, 84050, 92455, 112750, 117670, 129437, 143500, 157850, 168100, 184910, 210125, 225500, 235340, 258874, 294175, 315700, 369820, 394625, 420250, 462275, 517748, 588350, 647185, 789250, 840500, 924550, 1176700, 1294370, 1470875, 1578500, 1849100, 2311375, 2588740, 2941750, 3235925, 4622750, 5883500, 6471850, 9245500, 12943700, 16179625, 32359250, 64718500]

約数ペア:

[(1, 64718500), (2, 32359250), (4, 16179625), (5, 12943700), (7, 9245500), (10, 6471850), (11, 5883500), (14, 4622750), (20, 3235925), (22, 2941750), (25, 2588740), (28, 2311375), (35, 1849100), (41, 1578500), (44, 1470875), (50, 1294370), (55, 1176700), (70, 924550), (77, 840500), (82, 789250), (100, 647185), (110, 588350), (125, 517748), (140, 462275), (154, 420250), (164, 394625), (175, 369820), (205, 315700), (220, 294175), (250, 258874), (275, 235340), (287, 225500), (308, 210125), (350, 184910), (385, 168100), (410, 157850), (451, 143500), (500, 129437), (550, 117670), (574, 112750), (700, 92455), (770, 84050), (820, 78925), (875, 73964), (902, 71750), (1025, 63140), (1100, 58835), (1148, 56375), (1375, 47068), (1435, 45100), (1540, 42025), (1681, 38500), (1750, 36982), (1804, 35875), (1925, 33620), (2050, 31570), (2255, 28700), (2750, 23534), (2870, 22550), (3157, 20500), (3362, 19250), (3500, 18491), (3850, 16810), (4100, 15785), (4510, 14350), (5125, 12628), (5500, 11767), (5740, 11275), (6314, 10250), (6724, 9625), (7175, 9020), (7700, 8405)]