1319987680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{749993}}^1$

素因数の和:750019

約数の個数: 48

約数和(自身を含む): 3401972784

約数和(自身を除く): 2081985104

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, 749993, 1499986, 2999972, 3749965, 5999944, 7499930, 8249923, 11999888, 14999860, 16499846, 23999776, 29999720, 32999692, 41249615, 59999440, 65999384, 82499230, 119998880, 131998768, 164998460, 263997536, 329996920, 659993840, 1319987680]

約数ペア:

[(1, 1319987680), (2, 659993840), (4, 329996920), (5, 263997536), (8, 164998460), (10, 131998768), (11, 119998880), (16, 82499230), (20, 65999384), (22, 59999440), (32, 41249615), (40, 32999692), (44, 29999720), (55, 23999776), (80, 16499846), (88, 14999860), (110, 11999888), (160, 8249923), (176, 7499930), (220, 5999944), (352, 3749965), (440, 2999972), (880, 1499986), (1760, 749993)]