551429307340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{16993}}^1$

素因数の和:17531

約数の個数: 96

約数和(自身を含む): 1200295736640

約数和(自身を除く): 648866429300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 389, 430, 485, 778, 860, 970, 1556, 1940, 1945, 3890, 4171, 7780, 8342, 16684, 16727, 16993, 20855, 33454, 33986, 37733, 41710, 66908, 67972, 75466, 83420, 83635, 84965, 150932, 167270, 169930, 188665, 334540, 339860, 377330, 730699, 754660, 1461398, 1622519, 1648321, 2922796, 3245038, 3296642, 3653495, 6490076, 6593284, 6610277, 7306990, 8112595, 8241605, 13220554, 14613980, 16225190, 16483210, 26441108, 32450380, 32966420, 33051385, 66102770, 70877803, 132205540, 141755606, 283511212, 284241911, 354389015, 568483822, 641196869, 708778030, 1136967644, 1282393738, 1417556060, 1421209555, 2564787476, 2842419110, 3205984345, 5684838220, 6411968690, 12823937380, 27571465367, 55142930734, 110285861468, 137857326835, 275714653670, 551429307340]

約数ペア:

[(1, 551429307340), (2, 275714653670), (4, 137857326835), (5, 110285861468), (10, 55142930734), (20, 27571465367), (43, 12823937380), (86, 6411968690), (97, 5684838220), (172, 3205984345), (194, 2842419110), (215, 2564787476), (388, 1421209555), (389, 1417556060), (430, 1282393738), (485, 1136967644), (778, 708778030), (860, 641196869), (970, 568483822), (1556, 354389015), (1940, 284241911), (1945, 283511212), (3890, 141755606), (4171, 132205540), (7780, 70877803), (8342, 66102770), (16684, 33051385), (16727, 32966420), (16993, 32450380), (20855, 26441108), (33454, 16483210), (33986, 16225190), (37733, 14613980), (41710, 13220554), (66908, 8241605), (67972, 8112595), (75466, 7306990), (83420, 6610277), (83635, 6593284), (84965, 6490076), (150932, 3653495), (167270, 3296642), (169930, 3245038), (188665, 2922796), (334540, 1648321), (339860, 1622519), (377330, 1461398), (730699, 754660)]