1440808325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 1997550720

約数和(自身を除く): 556742395

約数列:

[1, 5, 11, 25, 55, 71, 109, 275, 355, 545, 677, 781, 1199, 1775, 2725, 3385, 3905, 5995, 7447, 7739, 16925, 19525, 29975, 37235, 38695, 48067, 73793, 85129, 186175, 193475, 240335, 368965, 425645, 528737, 811723, 1201675, 1844825, 2128225, 2643685, 4058615, 5239303, 13218425, 20293075, 26196515, 57632333, 130982575, 288161665, 1440808325]

約数ペア:

[(1, 1440808325), (5, 288161665), (11, 130982575), (25, 57632333), (55, 26196515), (71, 20293075), (109, 13218425), (275, 5239303), (355, 4058615), (545, 2643685), (677, 2128225), (781, 1844825), (1199, 1201675), (1775, 811723), (2725, 528737), (3385, 425645), (3905, 368965), (5995, 240335), (7447, 193475), (7739, 186175), (16925, 85129), (19525, 73793), (29975, 48067), (37235, 38695)]