210764180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1811}}^1$

素因数の和:1877

約数の個数: 72

約数和(自身を含む): 505026144

約数和(自身を除く): 294261964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 529, 1012, 1058, 1265, 1811, 2116, 2530, 2645, 3622, 5060, 5290, 5819, 7244, 9055, 10580, 11638, 18110, 19921, 23276, 29095, 36220, 39842, 41653, 58190, 79684, 83306, 99605, 116380, 166612, 199210, 208265, 398420, 416530, 458183, 833060, 916366, 958019, 1832732, 1916038, 2290915, 3832076, 4581830, 4790095, 9163660, 9580190, 10538209, 19160380, 21076418, 42152836, 52691045, 105382090, 210764180]

約数ペア:

[(1, 210764180), (2, 105382090), (4, 52691045), (5, 42152836), (10, 21076418), (11, 19160380), (20, 10538209), (22, 9580190), (23, 9163660), (44, 4790095), (46, 4581830), (55, 3832076), (92, 2290915), (110, 1916038), (115, 1832732), (220, 958019), (230, 916366), (253, 833060), (460, 458183), (506, 416530), (529, 398420), (1012, 208265), (1058, 199210), (1265, 166612), (1811, 116380), (2116, 99605), (2530, 83306), (2645, 79684), (3622, 58190), (5060, 41653), (5290, 39842), (5819, 36220), (7244, 29095), (9055, 23276), (10580, 19921), (11638, 18110)]