79858975

素因数分解:

$5^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 118048000

約数和(自身を除く): 38189025

約数列:

[1, 5, 7, 25, 35, 49, 67, 139, 175, 245, 335, 343, 469, 695, 973, 1225, 1675, 1715, 2345, 3283, 3475, 4865, 6811, 8575, 9313, 11725, 16415, 22981, 24325, 34055, 46565, 47677, 65191, 82075, 114905, 170275, 232825, 238385, 325955, 456337, 574525, 1191925, 1629775, 2281685, 3194359, 11408425, 15971795, 79858975]

約数ペア:

[(1, 79858975), (5, 15971795), (7, 11408425), (25, 3194359), (35, 2281685), (49, 1629775), (67, 1191925), (139, 574525), (175, 456337), (245, 325955), (335, 238385), (343, 232825), (469, 170275), (695, 114905), (973, 82075), (1225, 65191), (1675, 47677), (1715, 46565), (2345, 34055), (3283, 24325), (3475, 22981), (4865, 16415), (6811, 11725), (8575, 9313)]