664692010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2819}}^1$

素因数の和:2935

約数の個数: 64

約数和(自身を含む): 1352246400

約数和(自身を除く): 687554390

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 73, 85, 95, 146, 170, 190, 323, 365, 646, 730, 1241, 1387, 1615, 2482, 2774, 2819, 3230, 5638, 6205, 6935, 12410, 13870, 14095, 23579, 28190, 47158, 47923, 53561, 95846, 107122, 117895, 205787, 235790, 239615, 267805, 411574, 479230, 535610, 910537, 1028935, 1821074, 2057870, 3498379, 3909953, 4552685, 6996758, 7819906, 9105370, 17491895, 19549765, 34983790, 39099530, 66469201, 132938402, 332346005, 664692010]

約数ペア:

[(1, 664692010), (2, 332346005), (5, 132938402), (10, 66469201), (17, 39099530), (19, 34983790), (34, 19549765), (38, 17491895), (73, 9105370), (85, 7819906), (95, 6996758), (146, 4552685), (170, 3909953), (190, 3498379), (323, 2057870), (365, 1821074), (646, 1028935), (730, 910537), (1241, 535610), (1387, 479230), (1615, 411574), (2482, 267805), (2774, 239615), (2819, 235790), (3230, 205787), (5638, 117895), (6205, 107122), (6935, 95846), (12410, 53561), (13870, 47923), (14095, 47158), (23579, 28190)]