128540330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 253870848

約数和(自身を除く): 125330518

約数列:

[1, 2, 5, 10, 23, 41, 43, 46, 82, 86, 115, 205, 215, 230, 317, 410, 430, 634, 943, 989, 1585, 1763, 1886, 1978, 3170, 3526, 4715, 4945, 7291, 8815, 9430, 9890, 12997, 13631, 14582, 17630, 25994, 27262, 36455, 40549, 64985, 68155, 72910, 81098, 129970, 136310, 202745, 298931, 313513, 405490, 558871, 597862, 627026, 1117742, 1494655, 1567565, 2794355, 2989310, 3135130, 5588710, 12854033, 25708066, 64270165, 128540330]

約数ペア:

[(1, 128540330), (2, 64270165), (5, 25708066), (10, 12854033), (23, 5588710), (41, 3135130), (43, 2989310), (46, 2794355), (82, 1567565), (86, 1494655), (115, 1117742), (205, 627026), (215, 597862), (230, 558871), (317, 405490), (410, 313513), (430, 298931), (634, 202745), (943, 136310), (989, 129970), (1585, 81098), (1763, 72910), (1886, 68155), (1978, 64985), (3170, 40549), (3526, 36455), (4715, 27262), (4945, 25994), (7291, 17630), (8815, 14582), (9430, 13631), (9890, 12997)]