320390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 370810

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 199, 230, 322, 398, 805, 995, 1393, 1610, 1990, 2786, 4577, 6965, 9154, 13930, 22885, 32039, 45770, 64078, 160195, 320390]

約数ペア:

[(1, 320390), (2, 160195), (5, 64078), (7, 45770), (10, 32039), (14, 22885), (23, 13930), (35, 9154), (46, 6965), (70, 4577), (115, 2786), (161, 1990), (199, 1610), (230, 1393), (322, 995), (398, 805)]