78046490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 159200640

約数和(自身を除く): 81154150

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 73, 85, 95, 146, 170, 190, 323, 331, 365, 646, 662, 730, 1241, 1387, 1615, 1655, 2482, 2774, 3230, 3310, 5627, 6205, 6289, 6935, 11254, 12410, 12578, 13870, 23579, 24163, 28135, 31445, 47158, 48326, 56270, 62890, 106913, 117895, 120815, 213826, 235790, 241630, 410771, 459097, 534565, 821542, 918194, 1069130, 2053855, 2295485, 4107710, 4590970, 7804649, 15609298, 39023245, 78046490]

約数ペア:

[(1, 78046490), (2, 39023245), (5, 15609298), (10, 7804649), (17, 4590970), (19, 4107710), (34, 2295485), (38, 2053855), (73, 1069130), (85, 918194), (95, 821542), (146, 534565), (170, 459097), (190, 410771), (323, 241630), (331, 235790), (365, 213826), (646, 120815), (662, 117895), (730, 106913), (1241, 62890), (1387, 56270), (1615, 48326), (1655, 47158), (2482, 31445), (2774, 28135), (3230, 24163), (3310, 23579), (5627, 13870), (6205, 12578), (6289, 12410), (6935, 11254)]