320419670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{12781}}^1$

素因数の和:12920

約数の個数: 32

約数和(自身を含む): 607400640

約数和(自身を除く): 286980970

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 2507, 5014, 12535, 12781, 25070, 25562, 63905, 127810, 293963, 587926, 1393129, 1469815, 2786258, 2939630, 6965645, 13931290, 32041967, 64083934, 160209835, 320419670]

約数ペア:

[(1, 320419670), (2, 160209835), (5, 64083934), (10, 32041967), (23, 13931290), (46, 6965645), (109, 2939630), (115, 2786258), (218, 1469815), (230, 1393129), (545, 587926), (1090, 293963), (2507, 127810), (5014, 63905), (12535, 25562), (12781, 25070)]