816282940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 2036432160

約数和(自身を除く): 1220149220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 121, 164, 190, 205, 209, 220, 242, 380, 410, 418, 433, 451, 484, 605, 779, 820, 836, 866, 902, 1045, 1210, 1558, 1732, 1804, 2090, 2165, 2255, 2299, 2420, 3116, 3895, 4180, 4330, 4510, 4598, 4763, 4961, 7790, 8227, 8569, 8660, 9020, 9196, 9526, 9922, 11495, 15580, 16454, 17138, 17753, 19052, 19844, 22990, 23815, 24805, 32908, 34276, 35506, 41135, 42845, 45980, 47630, 49610, 52393, 71012, 82270, 85690, 88765, 90497, 94259, 95260, 99220, 104786, 164540, 171380, 177530, 180994, 188518, 195283, 209572, 261965, 337307, 355060, 361988, 377036, 390566, 452485, 471295, 523930, 674614, 781132, 904970, 942590, 976415, 995467, 1047860, 1349228, 1686535, 1809940, 1885180, 1952830, 1990934, 2148113, 3373070, 3710377, 3905660, 3981868, 4296226, 4977335, 6746140, 7420754, 8592452, 9954670, 10740565, 14841508, 18551885, 19909340, 21481130, 37103770, 40814147, 42962260, 74207540, 81628294, 163256588, 204070735, 408141470, 816282940]

約数ペア:

[(1, 816282940), (2, 408141470), (4, 204070735), (5, 163256588), (10, 81628294), (11, 74207540), (19, 42962260), (20, 40814147), (22, 37103770), (38, 21481130), (41, 19909340), (44, 18551885), (55, 14841508), (76, 10740565), (82, 9954670), (95, 8592452), (110, 7420754), (121, 6746140), (164, 4977335), (190, 4296226), (205, 3981868), (209, 3905660), (220, 3710377), (242, 3373070), (380, 2148113), (410, 1990934), (418, 1952830), (433, 1885180), (451, 1809940), (484, 1686535), (605, 1349228), (779, 1047860), (820, 995467), (836, 976415), (866, 942590), (902, 904970), (1045, 781132), (1210, 674614), (1558, 523930), (1732, 471295), (1804, 452485), (2090, 390566), (2165, 377036), (2255, 361988), (2299, 355060), (2420, 337307), (3116, 261965), (3895, 209572), (4180, 195283), (4330, 188518), (4510, 180994), (4598, 177530), (4763, 171380), (4961, 164540), (7790, 104786), (8227, 99220), (8569, 95260), (8660, 94259), (9020, 90497), (9196, 88765), (9526, 85690), (9922, 82270), (11495, 71012), (15580, 52393), (16454, 49610), (17138, 47630), (17753, 45980), (19052, 42845), (19844, 41135), (22990, 35506), (23815, 34276), (24805, 32908)]