90456490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 180395424

約数和(自身を除く): 89938934

約数列:

[1, 2, 5, 10, 17, 34, 37, 73, 74, 85, 146, 170, 185, 197, 365, 370, 394, 629, 730, 985, 1241, 1258, 1970, 2482, 2701, 3145, 3349, 5402, 6205, 6290, 6698, 7289, 12410, 13505, 14381, 14578, 16745, 27010, 28762, 33490, 36445, 45917, 71905, 72890, 91834, 123913, 143810, 229585, 244477, 247826, 459170, 488954, 532097, 619565, 1064194, 1222385, 1239130, 2444770, 2660485, 5320970, 9045649, 18091298, 45228245, 90456490]

約数ペア:

[(1, 90456490), (2, 45228245), (5, 18091298), (10, 9045649), (17, 5320970), (34, 2660485), (37, 2444770), (73, 1239130), (74, 1222385), (85, 1064194), (146, 619565), (170, 532097), (185, 488954), (197, 459170), (365, 247826), (370, 244477), (394, 229585), (629, 143810), (730, 123913), (985, 91834), (1241, 72890), (1258, 71905), (1970, 45917), (2482, 36445), (2701, 33490), (3145, 28762), (3349, 27010), (5402, 16745), (6205, 14578), (6290, 14381), (6698, 13505), (7289, 12410)]