2130678880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1210613}}^1$

素因数の和:1210639

約数の個数: 48

約数和(自身を含む): 5491345104

約数和(自身を除く): 3360666224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 1210613, 2421226, 4842452, 6053065, 9684904, 12106130, 13316743, 19369808, 24212260, 26633486, 38739616, 48424520, 53266972, 66583715, 96849040, 106533944, 133167430, 193698080, 213067888, 266334860, 426135776, 532669720, 1065339440, 2130678880]

約数ペア:

[(1, 2130678880), (2, 1065339440), (4, 532669720), (5, 426135776), (8, 266334860), (10, 213067888), (11, 193698080), (16, 133167430), (20, 106533944), (22, 96849040), (32, 66583715), (40, 53266972), (44, 48424520), (55, 38739616), (80, 26633486), (88, 24212260), (110, 19369808), (160, 13316743), (176, 12106130), (220, 9684904), (352, 6053065), (440, 4842452), (880, 2421226), (1760, 1210613)]