55146980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 148538880

約数和(自身を除く): 93391900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 47, 58, 68, 70, 85, 94, 116, 119, 140, 145, 170, 188, 203, 235, 238, 289, 290, 329, 340, 406, 470, 476, 493, 578, 580, 595, 658, 799, 812, 940, 986, 1015, 1156, 1190, 1316, 1363, 1445, 1598, 1645, 1972, 2023, 2030, 2380, 2465, 2726, 2890, 3196, 3290, 3451, 3995, 4046, 4060, 4930, 5452, 5593, 5780, 6580, 6815, 6902, 7990, 8092, 8381, 9541, 9860, 10115, 11186, 13583, 13630, 13804, 15980, 16762, 17255, 19082, 20230, 22372, 23171, 27166, 27260, 27965, 33524, 34510, 38164, 40460, 41905, 46342, 47705, 54332, 55930, 58667, 67915, 69020, 83810, 92684, 95081, 95410, 111860, 115855, 117334, 135830, 162197, 167620, 190162, 190820, 231710, 234668, 271660, 293335, 324394, 380324, 393907, 463420, 475405, 586670, 648788, 787814, 810985, 950810, 1173340, 1575628, 1621970, 1901620, 1969535, 2757349, 3243940, 3939070, 5514698, 7878140, 11029396, 13786745, 27573490, 55146980]

約数ペア:

[(1, 55146980), (2, 27573490), (4, 13786745), (5, 11029396), (7, 7878140), (10, 5514698), (14, 3939070), (17, 3243940), (20, 2757349), (28, 1969535), (29, 1901620), (34, 1621970), (35, 1575628), (47, 1173340), (58, 950810), (68, 810985), (70, 787814), (85, 648788), (94, 586670), (116, 475405), (119, 463420), (140, 393907), (145, 380324), (170, 324394), (188, 293335), (203, 271660), (235, 234668), (238, 231710), (289, 190820), (290, 190162), (329, 167620), (340, 162197), (406, 135830), (470, 117334), (476, 115855), (493, 111860), (578, 95410), (580, 95081), (595, 92684), (658, 83810), (799, 69020), (812, 67915), (940, 58667), (986, 55930), (1015, 54332), (1156, 47705), (1190, 46342), (1316, 41905), (1363, 40460), (1445, 38164), (1598, 34510), (1645, 33524), (1972, 27965), (2023, 27260), (2030, 27166), (2380, 23171), (2465, 22372), (2726, 20230), (2890, 19082), (3196, 17255), (3290, 16762), (3451, 15980), (3995, 13804), (4046, 13630), (4060, 13583), (4930, 11186), (5452, 10115), (5593, 9860), (5780, 9541), (6580, 8381), (6815, 8092), (6902, 7990)]