397231780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 953068032

約数和(自身を除く): 555836252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 47, 55, 82, 94, 110, 164, 188, 205, 220, 235, 410, 451, 470, 517, 820, 902, 937, 940, 1034, 1804, 1874, 1927, 2068, 2255, 2585, 3748, 3854, 4510, 4685, 5170, 7708, 9020, 9370, 9635, 10307, 10340, 18740, 19270, 20614, 21197, 38417, 38540, 41228, 42394, 44039, 51535, 76834, 84788, 88078, 103070, 105985, 153668, 176156, 192085, 206140, 211970, 220195, 384170, 422587, 423940, 440390, 484429, 768340, 845174, 880780, 968858, 1690348, 1805599, 1937716, 2112935, 2422145, 3611198, 4225870, 4844290, 7222396, 8451740, 9027995, 9688580, 18055990, 19861589, 36111980, 39723178, 79446356, 99307945, 198615890, 397231780]

約数ペア:

[(1, 397231780), (2, 198615890), (4, 99307945), (5, 79446356), (10, 39723178), (11, 36111980), (20, 19861589), (22, 18055990), (41, 9688580), (44, 9027995), (47, 8451740), (55, 7222396), (82, 4844290), (94, 4225870), (110, 3611198), (164, 2422145), (188, 2112935), (205, 1937716), (220, 1805599), (235, 1690348), (410, 968858), (451, 880780), (470, 845174), (517, 768340), (820, 484429), (902, 440390), (937, 423940), (940, 422587), (1034, 384170), (1804, 220195), (1874, 211970), (1927, 206140), (2068, 192085), (2255, 176156), (2585, 153668), (3748, 105985), (3854, 103070), (4510, 88078), (4685, 84788), (5170, 76834), (7708, 51535), (9020, 44039), (9370, 42394), (9635, 41228), (10307, 38540), (10340, 38417), (18740, 21197), (19270, 20614)]