313704625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 427714560

約数和(自身を除く): 114009935

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 355, 923, 1625, 1775, 2719, 4615, 8875, 13595, 23075, 35347, 67975, 115375, 176735, 193049, 339875, 883675, 965245, 2509637, 4418375, 4826225, 12548185, 24131125, 62740925, 313704625]

約数ペア:

[(1, 313704625), (5, 62740925), (13, 24131125), (25, 12548185), (65, 4826225), (71, 4418375), (125, 2509637), (325, 965245), (355, 883675), (923, 339875), (1625, 193049), (1775, 176735), (2719, 115375), (4615, 67975), (8875, 35347), (13595, 23075)]