280818308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 537788160

約数和(自身を除く): 256969852

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 239, 467, 478, 629, 934, 956, 1258, 1868, 2516, 4063, 7939, 8126, 8843, 15878, 16252, 17279, 17686, 31756, 34558, 35372, 69116, 111613, 150331, 223226, 293743, 300662, 446452, 587486, 601324, 1174972, 1897421, 3794842, 4129681, 7589684, 8259362, 16518724, 70204577, 140409154, 280818308]

約数ペア:

[(1, 280818308), (2, 140409154), (4, 70204577), (17, 16518724), (34, 8259362), (37, 7589684), (68, 4129681), (74, 3794842), (148, 1897421), (239, 1174972), (467, 601324), (478, 587486), (629, 446452), (934, 300662), (956, 293743), (1258, 223226), (1868, 150331), (2516, 111613), (4063, 69116), (7939, 35372), (8126, 34558), (8843, 31756), (15878, 17686), (16252, 17279)]