72861775

素因数分解:

$5^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 109368000

約数和(自身を除く): 36506225

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 293, 343, 725, 1015, 1225, 1421, 1465, 1715, 2051, 5075, 7105, 7325, 8497, 8575, 9947, 10255, 14357, 35525, 42485, 49735, 51275, 59479, 71785, 100499, 212425, 248675, 297395, 358925, 416353, 502495, 1486975, 2081765, 2512475, 2914471, 10408825, 14572355, 72861775]

約数ペア:

[(1, 72861775), (5, 14572355), (7, 10408825), (25, 2914471), (29, 2512475), (35, 2081765), (49, 1486975), (145, 502495), (175, 416353), (203, 358925), (245, 297395), (293, 248675), (343, 212425), (725, 100499), (1015, 71785), (1225, 59479), (1421, 51275), (1465, 49735), (1715, 42485), (2051, 35525), (5075, 14357), (7105, 10255), (7325, 9947), (8497, 8575)]