74125220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2081}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 168941808

約数和(自身を除く): 94816588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2081, 2740, 3562, 4162, 7124, 8324, 8905, 10405, 17810, 20810, 27053, 35620, 41620, 54106, 108212, 135265, 270530, 285097, 541060, 570194, 1140388, 1425485, 2850970, 3706261, 5701940, 7412522, 14825044, 18531305, 37062610, 74125220]

約数ペア:

[(1, 74125220), (2, 37062610), (4, 18531305), (5, 14825044), (10, 7412522), (13, 5701940), (20, 3706261), (26, 2850970), (52, 1425485), (65, 1140388), (130, 570194), (137, 541060), (260, 285097), (274, 270530), (548, 135265), (685, 108212), (1370, 54106), (1781, 41620), (2081, 35620), (2740, 27053), (3562, 20810), (4162, 17810), (7124, 10405), (8324, 8905)]