320418428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 640604160

約数和(自身を除く): 320185732

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 479, 506, 661, 958, 1012, 1322, 1916, 2644, 5269, 7271, 10538, 11017, 14542, 15203, 21076, 22034, 29084, 30406, 44068, 60812, 121187, 167233, 242374, 316619, 334466, 484748, 633238, 668932, 1266476, 3482809, 6965618, 7282237, 13931236, 14564474, 29128948, 80104607, 160209214, 320418428]

約数ペア:

[(1, 320418428), (2, 160209214), (4, 80104607), (11, 29128948), (22, 14564474), (23, 13931236), (44, 7282237), (46, 6965618), (92, 3482809), (253, 1266476), (479, 668932), (506, 633238), (661, 484748), (958, 334466), (1012, 316619), (1322, 242374), (1916, 167233), (2644, 121187), (5269, 60812), (7271, 44068), (10538, 30406), (11017, 29084), (14542, 22034), (15203, 21076)]