170728180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1219487}}^1$

素因数の和:1219503

約数の個数: 24

約数和(自身を含む): 409747968

約数和(自身を除く): 239019788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1219487, 2438974, 4877948, 6097435, 8536409, 12194870, 17072818, 24389740, 34145636, 42682045, 85364090, 170728180]

約数ペア:

[(1, 170728180), (2, 85364090), (4, 42682045), (5, 34145636), (7, 24389740), (10, 17072818), (14, 12194870), (20, 8536409), (28, 6097435), (35, 4877948), (70, 2438974), (140, 1219487)]