347156180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 853221600

約数和(自身を除く): 506065420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 895, 980, 1253, 1790, 1979, 2506, 3580, 3958, 5012, 6265, 7916, 8771, 9895, 12530, 13853, 17542, 19790, 25060, 27706, 35084, 39580, 43855, 55412, 69265, 87710, 96971, 138530, 175420, 193942, 277060, 354241, 387884, 484855, 708482, 969710, 1416964, 1771205, 1939420, 2479687, 3542410, 4959374, 7084820, 9918748, 12398435, 17357809, 24796870, 34715618, 49593740, 69431236, 86789045, 173578090, 347156180]

約数ペア:

[(1, 347156180), (2, 173578090), (4, 86789045), (5, 69431236), (7, 49593740), (10, 34715618), (14, 24796870), (20, 17357809), (28, 12398435), (35, 9918748), (49, 7084820), (70, 4959374), (98, 3542410), (140, 2479687), (179, 1939420), (196, 1771205), (245, 1416964), (358, 969710), (490, 708482), (716, 484855), (895, 387884), (980, 354241), (1253, 277060), (1790, 193942), (1979, 175420), (2506, 138530), (3580, 96971), (3958, 87710), (5012, 69265), (6265, 55412), (7916, 43855), (8771, 39580), (9895, 35084), (12530, 27706), (13853, 25060), (17542, 19790)]