255863125

素因数分解:

$5^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 368432064

約数和(自身を除く): 112568939

約数列:

[1, 5, 7, 25, 35, 125, 175, 233, 251, 625, 875, 1165, 1255, 1631, 1757, 4375, 5825, 6275, 8155, 8785, 29125, 31375, 40775, 43925, 58483, 145625, 156875, 203875, 219625, 292415, 409381, 1019375, 1098125, 1462075, 2046905, 7310375, 10234525, 36551875, 51172625, 255863125]

約数ペア:

[(1, 255863125), (5, 51172625), (7, 36551875), (25, 10234525), (35, 7310375), (125, 2046905), (175, 1462075), (233, 1098125), (251, 1019375), (625, 409381), (875, 292415), (1165, 219625), (1255, 203875), (1631, 156875), (1757, 145625), (4375, 58483), (5825, 43925), (6275, 40775), (8155, 31375), (8785, 29125)]