28897260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9829}}^1$

素因数の和:9855

約数の個数: 72

約数和(自身を含む): 94132080

約数和(自身を除く): 65234820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9829, 19658, 29487, 39316, 49145, 58974, 68803, 98290, 117948, 137606, 147435, 196580, 206409, 275212, 294870, 344015, 412818, 481621, 589740, 688030, 825636, 963242, 1032045, 1376060, 1444863, 1926484, 2064090, 2408105, 2889726, 4128180, 4816210, 5779452, 7224315, 9632420, 14448630, 28897260]

約数ペア:

[(1, 28897260), (2, 14448630), (3, 9632420), (4, 7224315), (5, 5779452), (6, 4816210), (7, 4128180), (10, 2889726), (12, 2408105), (14, 2064090), (15, 1926484), (20, 1444863), (21, 1376060), (28, 1032045), (30, 963242), (35, 825636), (42, 688030), (49, 589740), (60, 481621), (70, 412818), (84, 344015), (98, 294870), (105, 275212), (140, 206409), (147, 196580), (196, 147435), (210, 137606), (245, 117948), (294, 98290), (420, 68803), (490, 58974), (588, 49145), (735, 39316), (980, 29487), (1470, 19658), (2940, 9829)]