211323860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{1471}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 485194752

約数和(自身を除く): 273870892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 653, 1306, 1471, 2612, 2942, 3265, 5884, 6530, 7183, 7355, 13060, 14366, 14710, 16181, 28732, 29420, 32362, 35915, 64724, 71830, 80905, 143660, 161810, 323620, 960563, 1921126, 3842252, 4802815, 9605630, 10566193, 19211260, 21132386, 42264772, 52830965, 105661930, 211323860]

約数ペア:

[(1, 211323860), (2, 105661930), (4, 52830965), (5, 42264772), (10, 21132386), (11, 19211260), (20, 10566193), (22, 9605630), (44, 4802815), (55, 3842252), (110, 1921126), (220, 960563), (653, 323620), (1306, 161810), (1471, 143660), (2612, 80905), (2942, 71830), (3265, 64724), (5884, 35915), (6530, 32362), (7183, 29420), (7355, 28732), (13060, 16181), (14366, 14710)]