277103480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113567}}^1$

素因数の和:113639

約数の個数: 32

約数和(自身を含む): 633709440

約数和(自身を除く): 356605960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 113567, 227134, 454268, 567835, 908536, 1135670, 2271340, 4542680, 6927587, 13855174, 27710348, 34637935, 55420696, 69275870, 138551740, 277103480]

約数ペア:

[(1, 277103480), (2, 138551740), (4, 69275870), (5, 55420696), (8, 34637935), (10, 27710348), (20, 13855174), (40, 6927587), (61, 4542680), (122, 2271340), (244, 1135670), (305, 908536), (488, 567835), (610, 454268), (1220, 227134), (2440, 113567)]