209401900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{2179}}^1$

素因数の和:2255

約数の個数: 54

約数和(自身を含む): 469748580

約数和(自身を除く): 260346680

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 961, 1550, 1922, 2179, 3100, 3844, 4358, 4805, 8716, 9610, 10895, 19220, 21790, 24025, 43580, 48050, 54475, 67549, 96100, 108950, 135098, 217900, 270196, 337745, 675490, 1350980, 1688725, 2094019, 3377450, 4188038, 6754900, 8376076, 10470095, 20940190, 41880380, 52350475, 104700950, 209401900]

約数ペア:

[(1, 209401900), (2, 104700950), (4, 52350475), (5, 41880380), (10, 20940190), (20, 10470095), (25, 8376076), (31, 6754900), (50, 4188038), (62, 3377450), (100, 2094019), (124, 1688725), (155, 1350980), (310, 675490), (620, 337745), (775, 270196), (961, 217900), (1550, 135098), (1922, 108950), (2179, 96100), (3100, 67549), (3844, 54475), (4358, 48050), (4805, 43580), (8716, 24025), (9610, 21790), (10895, 19220)]