207971720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24877}}^1$

素因数の和:24918

約数の個数: 64

約数和(自身を含む): 537364800

約数和(自身を除く): 329393080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 24877, 49754, 99508, 124385, 199016, 248770, 273647, 472663, 497540, 547294, 945326, 995080, 1094588, 1368235, 1890652, 2189176, 2363315, 2736470, 3781304, 4726630, 5199293, 5472940, 9453260, 10398586, 10945880, 18906520, 20797172, 25996465, 41594344, 51992930, 103985860, 207971720]

約数ペア:

[(1, 207971720), (2, 103985860), (4, 51992930), (5, 41594344), (8, 25996465), (10, 20797172), (11, 18906520), (19, 10945880), (20, 10398586), (22, 9453260), (38, 5472940), (40, 5199293), (44, 4726630), (55, 3781304), (76, 2736470), (88, 2363315), (95, 2189176), (110, 1890652), (152, 1368235), (190, 1094588), (209, 995080), (220, 945326), (380, 547294), (418, 497540), (440, 472663), (760, 273647), (836, 248770), (1045, 199016), (1672, 124385), (2090, 99508), (4180, 49754), (8360, 24877)]