220319792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{178831}}^1$

素因数の和:178857

約数の個数: 40

約数和(自身を含む): 532204032

約数和(自身を除く): 311884240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 178831, 357662, 715324, 1251817, 1430648, 1967141, 2503634, 2861296, 3934282, 5007268, 7868564, 10014536, 13769987, 15737128, 20029072, 27539974, 31474256, 55079948, 110159896, 220319792]

約数ペア:

[(1, 220319792), (2, 110159896), (4, 55079948), (7, 31474256), (8, 27539974), (11, 20029072), (14, 15737128), (16, 13769987), (22, 10014536), (28, 7868564), (44, 5007268), (56, 3934282), (77, 2861296), (88, 2503634), (112, 1967141), (154, 1430648), (176, 1251817), (308, 715324), (616, 357662), (1232, 178831)]