5214220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 12102048

約数和(自身を除く): 6887828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 173, 220, 274, 346, 548, 685, 692, 865, 1370, 1507, 1730, 1903, 2740, 3014, 3460, 3806, 6028, 7535, 7612, 9515, 15070, 19030, 23701, 30140, 38060, 47402, 94804, 118505, 237010, 260711, 474020, 521422, 1042844, 1303555, 2607110, 5214220]

約数ペア:

[(1, 5214220), (2, 2607110), (4, 1303555), (5, 1042844), (10, 521422), (11, 474020), (20, 260711), (22, 237010), (44, 118505), (55, 94804), (110, 47402), (137, 38060), (173, 30140), (220, 23701), (274, 19030), (346, 15070), (548, 9515), (685, 7612), (692, 7535), (865, 6028), (1370, 3806), (1507, 3460), (1730, 3014), (1903, 2740)]