220990824

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{161543}}^1$

素因数の和:161574

約数の個数: 48

約数和(自身を含む): 630021600

約数和(自身を除く): 409030776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 161543, 323086, 484629, 646172, 969258, 1292344, 1453887, 1938516, 2907774, 3069317, 3877032, 5815548, 6138634, 9207951, 11631096, 12277268, 18415902, 24554536, 27623853, 36831804, 55247706, 73663608, 110495412, 220990824]

約数ペア:

[(1, 220990824), (2, 110495412), (3, 73663608), (4, 55247706), (6, 36831804), (8, 27623853), (9, 24554536), (12, 18415902), (18, 12277268), (19, 11631096), (24, 9207951), (36, 6138634), (38, 5815548), (57, 3877032), (72, 3069317), (76, 2907774), (114, 1938516), (152, 1453887), (171, 1292344), (228, 969258), (342, 646172), (456, 484629), (684, 323086), (1368, 161543)]