2756740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 7038360

約数和(自身を除く): 4281620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 97, 98, 116, 140, 145, 194, 196, 203, 245, 290, 388, 406, 485, 490, 580, 679, 812, 970, 980, 1015, 1358, 1421, 1940, 2030, 2716, 2813, 2842, 3395, 4060, 4753, 5626, 5684, 6790, 7105, 9506, 11252, 13580, 14065, 14210, 19012, 19691, 23765, 28130, 28420, 39382, 47530, 56260, 78764, 95060, 98455, 137837, 196910, 275674, 393820, 551348, 689185, 1378370, 2756740]

約数ペア:

[(1, 2756740), (2, 1378370), (4, 689185), (5, 551348), (7, 393820), (10, 275674), (14, 196910), (20, 137837), (28, 98455), (29, 95060), (35, 78764), (49, 56260), (58, 47530), (70, 39382), (97, 28420), (98, 28130), (116, 23765), (140, 19691), (145, 19012), (194, 14210), (196, 14065), (203, 13580), (245, 11252), (290, 9506), (388, 7105), (406, 6790), (485, 5684), (490, 5626), (580, 4753), (679, 4060), (812, 3395), (970, 2842), (980, 2813), (1015, 2716), (1358, 2030), (1421, 1940)]