128214870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{87221}}^1$

素因数の和:87245

約数の個数: 48

約数和(自身を含む): 357959088

約数和(自身を除く): 229744218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 87221, 174442, 261663, 436105, 523326, 610547, 872210, 1221094, 1308315, 1831641, 2616630, 3052735, 3663282, 4273829, 6105470, 8547658, 9158205, 12821487, 18316410, 21369145, 25642974, 42738290, 64107435, 128214870]

約数ペア:

[(1, 128214870), (2, 64107435), (3, 42738290), (5, 25642974), (6, 21369145), (7, 18316410), (10, 12821487), (14, 9158205), (15, 8547658), (21, 6105470), (30, 4273829), (35, 3663282), (42, 3052735), (49, 2616630), (70, 1831641), (98, 1308315), (105, 1221094), (147, 872210), (210, 610547), (245, 523326), (294, 436105), (490, 261663), (735, 174442), (1470, 87221)]