68348140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 168920640

約数和(自身を除く): 100572500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 719, 970, 980, 1358, 1438, 1940, 2716, 2876, 3395, 3595, 4753, 5033, 6790, 7190, 9506, 10066, 13580, 14380, 19012, 20132, 23765, 25165, 35231, 47530, 50330, 69743, 70462, 95060, 100660, 139486, 140924, 176155, 278972, 348715, 352310, 488201, 697430, 704620, 976402, 1394860, 1952804, 2441005, 3417407, 4882010, 6834814, 9764020, 13669628, 17087035, 34174070, 68348140]

約数ペア:

[(1, 68348140), (2, 34174070), (4, 17087035), (5, 13669628), (7, 9764020), (10, 6834814), (14, 4882010), (20, 3417407), (28, 2441005), (35, 1952804), (49, 1394860), (70, 976402), (97, 704620), (98, 697430), (140, 488201), (194, 352310), (196, 348715), (245, 278972), (388, 176155), (485, 140924), (490, 139486), (679, 100660), (719, 95060), (970, 70462), (980, 69743), (1358, 50330), (1438, 47530), (1940, 35231), (2716, 25165), (2876, 23765), (3395, 20132), (3595, 19012), (4753, 14380), (5033, 13580), (6790, 10066), (7190, 9506)]