253015420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{15187}}^1$

素因数の和:15227

約数の個数: 72

約数和(自身を含む): 654481296

約数和(自身を除く): 401465876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 15187, 16660, 30374, 60748, 75935, 106309, 151870, 212618, 258179, 303740, 425236, 516358, 531545, 744163, 1032716, 1063090, 1290895, 1488326, 1807253, 2126180, 2581790, 2976652, 3614506, 3720815, 5163580, 7229012, 7441630, 9036265, 12650771, 14883260, 18072530, 25301542, 36145060, 50603084, 63253855, 126507710, 253015420]

約数ペア:

[(1, 253015420), (2, 126507710), (4, 63253855), (5, 50603084), (7, 36145060), (10, 25301542), (14, 18072530), (17, 14883260), (20, 12650771), (28, 9036265), (34, 7441630), (35, 7229012), (49, 5163580), (68, 3720815), (70, 3614506), (85, 2976652), (98, 2581790), (119, 2126180), (140, 1807253), (170, 1488326), (196, 1290895), (238, 1063090), (245, 1032716), (340, 744163), (476, 531545), (490, 516358), (595, 425236), (833, 303740), (980, 258179), (1190, 212618), (1666, 151870), (2380, 106309), (3332, 75935), (4165, 60748), (8330, 30374), (15187, 16660)]