2009081800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3821}}^1$

素因数の和:4087

約数の個数: 96

約数和(自身を含む): 5118422400

約数和(自身を除く): 3109340600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 239, 275, 440, 478, 550, 956, 1100, 1195, 1912, 2200, 2390, 2629, 3821, 4780, 5258, 5975, 7642, 9560, 10516, 11950, 13145, 15284, 19105, 21032, 23900, 26290, 30568, 38210, 42031, 47800, 52580, 65725, 76420, 84062, 95525, 105160, 131450, 152840, 168124, 191050, 210155, 262900, 336248, 382100, 420310, 525800, 764200, 840620, 913219, 1050775, 1681240, 1826438, 2101550, 3652876, 4203100, 4566095, 7305752, 8406200, 9132190, 10045409, 18264380, 20090818, 22830475, 36528760, 40181636, 45660950, 50227045, 80363272, 91321900, 100454090, 182643800, 200908180, 251135225, 401816360, 502270450, 1004540900, 2009081800]

約数ペア:

[(1, 2009081800), (2, 1004540900), (4, 502270450), (5, 401816360), (8, 251135225), (10, 200908180), (11, 182643800), (20, 100454090), (22, 91321900), (25, 80363272), (40, 50227045), (44, 45660950), (50, 40181636), (55, 36528760), (88, 22830475), (100, 20090818), (110, 18264380), (200, 10045409), (220, 9132190), (239, 8406200), (275, 7305752), (440, 4566095), (478, 4203100), (550, 3652876), (956, 2101550), (1100, 1826438), (1195, 1681240), (1912, 1050775), (2200, 913219), (2390, 840620), (2629, 764200), (3821, 525800), (4780, 420310), (5258, 382100), (5975, 336248), (7642, 262900), (9560, 210155), (10516, 191050), (11950, 168124), (13145, 152840), (15284, 131450), (19105, 105160), (21032, 95525), (23900, 84062), (26290, 76420), (30568, 65725), (38210, 52580), (42031, 47800)]