208736260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1031}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 449390592

約数和(自身を除く): 240654332

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 212, 265, 382, 530, 764, 955, 1031, 1060, 1910, 2062, 3820, 4124, 5155, 10123, 10310, 20246, 20620, 40492, 50615, 54643, 101230, 109286, 196921, 202460, 218572, 273215, 393842, 546430, 787684, 984605, 1092860, 1969210, 3938420, 10436813, 20873626, 41747252, 52184065, 104368130, 208736260]

約数ペア:

[(1, 208736260), (2, 104368130), (4, 52184065), (5, 41747252), (10, 20873626), (20, 10436813), (53, 3938420), (106, 1969210), (191, 1092860), (212, 984605), (265, 787684), (382, 546430), (530, 393842), (764, 273215), (955, 218572), (1031, 202460), (1060, 196921), (1910, 109286), (2062, 101230), (3820, 54643), (4124, 50615), (5155, 40492), (10123, 20620), (10310, 20246)]