7139500700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{17117}}^1$

素因数の和:17271

約数の個数: 72

約数和(自身を含む): 16017381072

約数和(自身を除く): 8877880372

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 172, 194, 215, 388, 430, 485, 860, 970, 1075, 1940, 2150, 2425, 4171, 4300, 4850, 8342, 9700, 16684, 17117, 20855, 34234, 41710, 68468, 83420, 85585, 104275, 171170, 208550, 342340, 417100, 427925, 736031, 855850, 1472062, 1660349, 1711700, 2944124, 3320698, 3680155, 6641396, 7360310, 8301745, 14720620, 16603490, 18400775, 33206980, 36801550, 41508725, 71395007, 73603100, 83017450, 142790014, 166034900, 285580028, 356975035, 713950070, 1427900140, 1784875175, 3569750350, 7139500700]

約数ペア:

[(1, 7139500700), (2, 3569750350), (4, 1784875175), (5, 1427900140), (10, 713950070), (20, 356975035), (25, 285580028), (43, 166034900), (50, 142790014), (86, 83017450), (97, 73603100), (100, 71395007), (172, 41508725), (194, 36801550), (215, 33206980), (388, 18400775), (430, 16603490), (485, 14720620), (860, 8301745), (970, 7360310), (1075, 6641396), (1940, 3680155), (2150, 3320698), (2425, 2944124), (4171, 1711700), (4300, 1660349), (4850, 1472062), (8342, 855850), (9700, 736031), (16684, 427925), (17117, 417100), (20855, 342340), (34234, 208550), (41710, 171170), (68468, 104275), (83420, 85585)]