208771640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67783}}^1$

素因数の和:67812

約数の個数: 64

約数和(自身を含む): 585653760

約数和(自身を除く): 376882120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 67783, 135566, 271132, 338915, 474481, 542264, 677830, 745613, 948962, 1355660, 1491226, 1897924, 2372405, 2711320, 2982452, 3728065, 3795848, 4744810, 5219291, 5964904, 7456130, 9489620, 10438582, 14912260, 18979240, 20877164, 26096455, 29824520, 41754328, 52192910, 104385820, 208771640]

約数ペア:

[(1, 208771640), (2, 104385820), (4, 52192910), (5, 41754328), (7, 29824520), (8, 26096455), (10, 20877164), (11, 18979240), (14, 14912260), (20, 10438582), (22, 9489620), (28, 7456130), (35, 5964904), (40, 5219291), (44, 4744810), (55, 3795848), (56, 3728065), (70, 2982452), (77, 2711320), (88, 2372405), (110, 1897924), (140, 1491226), (154, 1355660), (220, 948962), (280, 745613), (308, 677830), (385, 542264), (440, 474481), (616, 338915), (770, 271132), (1540, 135566), (3080, 67783)]