12379340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 26977440

約数和(自身を除く): 14598100

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 139, 146, 244, 278, 292, 305, 365, 556, 610, 695, 730, 1220, 1390, 1460, 2780, 4453, 8479, 8906, 10147, 16958, 17812, 20294, 22265, 33916, 40588, 42395, 44530, 50735, 84790, 89060, 101470, 169580, 202940, 618967, 1237934, 2475868, 3094835, 6189670, 12379340]

約数ペア:

[(1, 12379340), (2, 6189670), (4, 3094835), (5, 2475868), (10, 1237934), (20, 618967), (61, 202940), (73, 169580), (122, 101470), (139, 89060), (146, 84790), (244, 50735), (278, 44530), (292, 42395), (305, 40588), (365, 33916), (556, 22265), (610, 20294), (695, 17812), (730, 16958), (1220, 10147), (1390, 8906), (1460, 8479), (2780, 4453)]