2011808680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{21839}}^1$

素因数の和:21911

約数の個数: 96

約数和(自身を含む): 5377881600

約数和(自身を除く): 3366072920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 658, 940, 980, 1316, 1645, 1880, 1960, 2303, 2632, 3290, 4606, 6580, 9212, 11515, 13160, 18424, 21839, 23030, 43678, 46060, 87356, 92120, 109195, 152873, 174712, 218390, 305746, 436780, 611492, 764365, 873560, 1026433, 1070111, 1222984, 1528730, 2052866, 2140222, 3057460, 4105732, 4280444, 5132165, 5350555, 6114920, 7185031, 8211464, 8560888, 10264330, 10701110, 14370062, 20528660, 21402220, 28740124, 35925155, 41057320, 42804440, 50295217, 57480248, 71850310, 100590434, 143700620, 201180868, 251476085, 287401240, 402361736, 502952170, 1005904340, 2011808680]

約数ペア:

[(1, 2011808680), (2, 1005904340), (4, 502952170), (5, 402361736), (7, 287401240), (8, 251476085), (10, 201180868), (14, 143700620), (20, 100590434), (28, 71850310), (35, 57480248), (40, 50295217), (47, 42804440), (49, 41057320), (56, 35925155), (70, 28740124), (94, 21402220), (98, 20528660), (140, 14370062), (188, 10701110), (196, 10264330), (235, 8560888), (245, 8211464), (280, 7185031), (329, 6114920), (376, 5350555), (392, 5132165), (470, 4280444), (490, 4105732), (658, 3057460), (940, 2140222), (980, 2052866), (1316, 1528730), (1645, 1222984), (1880, 1070111), (1960, 1026433), (2303, 873560), (2632, 764365), (3290, 611492), (4606, 436780), (6580, 305746), (9212, 218390), (11515, 174712), (13160, 152873), (18424, 109195), (21839, 92120), (23030, 87356), (43678, 46060)]