865639970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 1786685040

約数和(自身を除く): 921045070

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 169, 205, 310, 338, 403, 410, 533, 806, 845, 961, 1066, 1271, 1690, 1922, 2015, 2197, 2542, 2665, 4030, 4394, 4805, 5239, 5330, 6355, 6929, 9610, 10478, 10985, 12493, 12710, 13858, 16523, 21970, 24986, 26195, 33046, 34645, 39401, 52390, 62465, 68107, 69290, 78802, 82615, 90077, 124930, 136214, 162409, 165230, 180154, 197005, 214799, 324818, 340535, 394010, 429598, 450385, 512213, 681070, 812045, 900770, 1024426, 1073995, 1624090, 2111317, 2147990, 2561065, 2792387, 4222634, 5122130, 5584774, 6658769, 10556585, 13317538, 13961935, 21113170, 27923870, 33293845, 66587690, 86563997, 173127994, 432819985, 865639970]

約数ペア:

[(1, 865639970), (2, 432819985), (5, 173127994), (10, 86563997), (13, 66587690), (26, 33293845), (31, 27923870), (41, 21113170), (62, 13961935), (65, 13317538), (82, 10556585), (130, 6658769), (155, 5584774), (169, 5122130), (205, 4222634), (310, 2792387), (338, 2561065), (403, 2147990), (410, 2111317), (533, 1624090), (806, 1073995), (845, 1024426), (961, 900770), (1066, 812045), (1271, 681070), (1690, 512213), (1922, 450385), (2015, 429598), (2197, 394010), (2542, 340535), (2665, 324818), (4030, 214799), (4394, 197005), (4805, 180154), (5239, 165230), (5330, 162409), (6355, 136214), (6929, 124930), (9610, 90077), (10478, 82615), (10985, 78802), (12493, 69290), (12710, 68107), (13858, 62465), (16523, 52390), (21970, 39401), (24986, 34645), (26195, 33046)]