164403770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2279

約数の個数: 64

約数和(自身を含む): 344321280

約数和(自身を除く): 179917510

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 437, 646, 782, 874, 1615, 1955, 2185, 2213, 3230, 3910, 4370, 4426, 7429, 11065, 14858, 22130, 37145, 37621, 42047, 50899, 74290, 75242, 84094, 101798, 188105, 210235, 254495, 376210, 420470, 508990, 714799, 865283, 967081, 1429598, 1730566, 1934162, 3573995, 4326415, 4835405, 7147990, 8652830, 9670810, 16440377, 32880754, 82201885, 164403770]

約数ペア:

[(1, 164403770), (2, 82201885), (5, 32880754), (10, 16440377), (17, 9670810), (19, 8652830), (23, 7147990), (34, 4835405), (38, 4326415), (46, 3573995), (85, 1934162), (95, 1730566), (115, 1429598), (170, 967081), (190, 865283), (230, 714799), (323, 508990), (391, 420470), (437, 376210), (646, 254495), (782, 210235), (874, 188105), (1615, 101798), (1955, 84094), (2185, 75242), (2213, 74290), (3230, 50899), (3910, 42047), (4370, 37621), (4426, 37145), (7429, 22130), (11065, 14858)]