71704130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 137376000

約数和(自身を除く): 65671870

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 211, 422, 1055, 1999, 2110, 3587, 3998, 7174, 9995, 17935, 19990, 33983, 35870, 67966, 169915, 339830, 421789, 843578, 2108945, 4217890, 7170413, 14340826, 35852065, 71704130]

約数ペア:

[(1, 71704130), (2, 35852065), (5, 14340826), (10, 7170413), (17, 4217890), (34, 2108945), (85, 843578), (170, 421789), (211, 339830), (422, 169915), (1055, 67966), (1999, 35870), (2110, 33983), (3587, 19990), (3998, 17935), (7174, 9995)]