200901250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 80

約数和(自身を含む): 432986400

約数和(自身を除く): 232085150

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 475, 550, 625, 769, 950, 1045, 1250, 1375, 1538, 2090, 2375, 2750, 3845, 4750, 5225, 6875, 7690, 8459, 10450, 11875, 13750, 14611, 16918, 19225, 23750, 26125, 29222, 38450, 42295, 52250, 73055, 84590, 96125, 130625, 146110, 160721, 192250, 211475, 261250, 321442, 365275, 422950, 480625, 730550, 803605, 961250, 1057375, 1607210, 1826375, 2114750, 3652750, 4018025, 5286875, 8036050, 9131875, 10573750, 18263750, 20090125, 40180250, 100450625, 200901250]

約数ペア:

[(1, 200901250), (2, 100450625), (5, 40180250), (10, 20090125), (11, 18263750), (19, 10573750), (22, 9131875), (25, 8036050), (38, 5286875), (50, 4018025), (55, 3652750), (95, 2114750), (110, 1826375), (125, 1607210), (190, 1057375), (209, 961250), (250, 803605), (275, 730550), (418, 480625), (475, 422950), (550, 365275), (625, 321442), (769, 261250), (950, 211475), (1045, 192250), (1250, 160721), (1375, 146110), (1538, 130625), (2090, 96125), (2375, 84590), (2750, 73055), (3845, 52250), (4750, 42295), (5225, 38450), (6875, 29222), (7690, 26125), (8459, 23750), (10450, 19225), (11875, 16918), (13750, 14611)]