2005403890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 4333848624

約数和(自身を除く): 2328444734

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 173, 205, 245, 287, 346, 410, 490, 574, 577, 865, 1154, 1211, 1435, 1730, 2009, 2422, 2870, 2885, 4018, 4039, 5770, 6055, 7093, 8078, 8477, 10045, 12110, 14186, 16954, 20090, 20195, 23657, 28273, 35465, 40390, 42385, 47314, 49651, 56546, 70930, 84770, 99302, 99821, 118285, 141365, 165599, 199642, 236570, 248255, 282730, 331198, 347557, 496510, 499105, 695114, 698747, 827995, 998210, 1159193, 1397494, 1655990, 1737785, 2318386, 3475570, 3493735, 4092661, 4891229, 5795965, 6987470, 8185322, 9782458, 11591930, 20463305, 24456145, 28648627, 40926610, 48912290, 57297254, 143243135, 200540389, 286486270, 401080778, 1002701945, 2005403890]

約数ペア:

[(1, 2005403890), (2, 1002701945), (5, 401080778), (7, 286486270), (10, 200540389), (14, 143243135), (35, 57297254), (41, 48912290), (49, 40926610), (70, 28648627), (82, 24456145), (98, 20463305), (173, 11591930), (205, 9782458), (245, 8185322), (287, 6987470), (346, 5795965), (410, 4891229), (490, 4092661), (574, 3493735), (577, 3475570), (865, 2318386), (1154, 1737785), (1211, 1655990), (1435, 1397494), (1730, 1159193), (2009, 998210), (2422, 827995), (2870, 698747), (2885, 695114), (4018, 499105), (4039, 496510), (5770, 347557), (6055, 331198), (7093, 282730), (8078, 248255), (8477, 236570), (10045, 199642), (12110, 165599), (14186, 141365), (16954, 118285), (20090, 99821), (20195, 99302), (23657, 84770), (28273, 70930), (35465, 56546), (40390, 49651), (42385, 47314)]