246440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 569160

約数和(自身を除く): 322720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 101, 122, 202, 244, 305, 404, 488, 505, 610, 808, 1010, 1220, 2020, 2440, 4040, 6161, 12322, 24644, 30805, 49288, 61610, 123220, 246440]

約数ペア:

[(1, 246440), (2, 123220), (4, 61610), (5, 49288), (8, 30805), (10, 24644), (20, 12322), (40, 6161), (61, 4040), (101, 2440), (122, 2020), (202, 1220), (244, 1010), (305, 808), (404, 610), (488, 505)]