155585980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 373911552

約数和(自身を除く): 218325572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 47, 55, 82, 94, 110, 164, 188, 205, 220, 235, 367, 410, 451, 470, 517, 734, 820, 902, 940, 1034, 1468, 1804, 1835, 1927, 2068, 2255, 2585, 3670, 3854, 4037, 4510, 5170, 7340, 7708, 8074, 9020, 9635, 10340, 15047, 16148, 17249, 19270, 20185, 21197, 30094, 34498, 38540, 40370, 42394, 60188, 68996, 75235, 80740, 84788, 86245, 105985, 150470, 165517, 172490, 189739, 211970, 300940, 331034, 344980, 379478, 423940, 662068, 707209, 758956, 827585, 948695, 1414418, 1655170, 1897390, 2828836, 3310340, 3536045, 3794780, 7072090, 7779299, 14144180, 15558598, 31117196, 38896495, 77792990, 155585980]

約数ペア:

[(1, 155585980), (2, 77792990), (4, 38896495), (5, 31117196), (10, 15558598), (11, 14144180), (20, 7779299), (22, 7072090), (41, 3794780), (44, 3536045), (47, 3310340), (55, 2828836), (82, 1897390), (94, 1655170), (110, 1414418), (164, 948695), (188, 827585), (205, 758956), (220, 707209), (235, 662068), (367, 423940), (410, 379478), (451, 344980), (470, 331034), (517, 300940), (734, 211970), (820, 189739), (902, 172490), (940, 165517), (1034, 150470), (1468, 105985), (1804, 86245), (1835, 84788), (1927, 80740), (2068, 75235), (2255, 68996), (2585, 60188), (3670, 42394), (3854, 40370), (4037, 38540), (4510, 34498), (5170, 30094), (7340, 21197), (7708, 20185), (8074, 19270), (9020, 17249), (9635, 16148), (10340, 15047)]