28674580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 108

約数和(自身を含む): 72025884

約数和(自身を除く): 43351304

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 121, 164, 170, 187, 205, 220, 242, 289, 340, 374, 410, 451, 484, 578, 605, 697, 748, 820, 902, 935, 1156, 1210, 1394, 1445, 1804, 1870, 2057, 2255, 2420, 2788, 2890, 3179, 3485, 3740, 4114, 4510, 4961, 5780, 6358, 6970, 7667, 8228, 9020, 9922, 10285, 11849, 12716, 13940, 15334, 15895, 19844, 20570, 23698, 24805, 30668, 31790, 34969, 38335, 41140, 47396, 49610, 59245, 63580, 69938, 76670, 84337, 99220, 118490, 130339, 139876, 153340, 168674, 174845, 236980, 260678, 337348, 349690, 421685, 521356, 651695, 699380, 843370, 1303390, 1433729, 1686740, 2606780, 2867458, 5734916, 7168645, 14337290, 28674580]

約数ペア:

[(1, 28674580), (2, 14337290), (4, 7168645), (5, 5734916), (10, 2867458), (11, 2606780), (17, 1686740), (20, 1433729), (22, 1303390), (34, 843370), (41, 699380), (44, 651695), (55, 521356), (68, 421685), (82, 349690), (85, 337348), (110, 260678), (121, 236980), (164, 174845), (170, 168674), (187, 153340), (205, 139876), (220, 130339), (242, 118490), (289, 99220), (340, 84337), (374, 76670), (410, 69938), (451, 63580), (484, 59245), (578, 49610), (605, 47396), (697, 41140), (748, 38335), (820, 34969), (902, 31790), (935, 30668), (1156, 24805), (1210, 23698), (1394, 20570), (1445, 19844), (1804, 15895), (1870, 15334), (2057, 13940), (2255, 12716), (2420, 11849), (2788, 10285), (2890, 9922), (3179, 9020), (3485, 8228), (3740, 7667), (4114, 6970), (4510, 6358), (4961, 5780)]