190204520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1607}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 468892800

約数和(自身を除く): 278688280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 269, 440, 538, 1076, 1345, 1607, 2152, 2690, 2959, 3214, 5380, 5918, 6428, 8035, 10760, 11836, 12856, 14795, 16070, 17677, 23672, 29590, 32140, 35354, 59180, 64280, 70708, 88385, 118360, 141416, 176770, 353540, 432283, 707080, 864566, 1729132, 2161415, 3458264, 4322830, 4755113, 8645660, 9510226, 17291320, 19020452, 23775565, 38040904, 47551130, 95102260, 190204520]

約数ペア:

[(1, 190204520), (2, 95102260), (4, 47551130), (5, 38040904), (8, 23775565), (10, 19020452), (11, 17291320), (20, 9510226), (22, 8645660), (40, 4755113), (44, 4322830), (55, 3458264), (88, 2161415), (110, 1729132), (220, 864566), (269, 707080), (440, 432283), (538, 353540), (1076, 176770), (1345, 141416), (1607, 118360), (2152, 88385), (2690, 70708), (2959, 64280), (3214, 59180), (5380, 35354), (5918, 32140), (6428, 29590), (8035, 23672), (10760, 17677), (11836, 16070), (12856, 14795)]