2018781370

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 3792096000

約数和(自身を除く): 1773314630

約数列:

[1, 2, 5, 10, 41, 82, 109, 199, 205, 218, 227, 398, 410, 454, 545, 995, 1090, 1135, 1990, 2270, 4469, 8159, 8938, 9307, 16318, 18614, 21691, 22345, 24743, 40795, 43382, 44690, 45173, 46535, 49486, 81590, 90346, 93070, 108455, 123715, 216910, 225865, 247430, 451730, 889331, 1014463, 1778662, 1852093, 2028926, 3704186, 4446655, 4923857, 5072315, 8893310, 9260465, 9847714, 10144630, 18520930, 24619285, 49238570, 201878137, 403756274, 1009390685, 2018781370]

約数ペア:

[(1, 2018781370), (2, 1009390685), (5, 403756274), (10, 201878137), (41, 49238570), (82, 24619285), (109, 18520930), (199, 10144630), (205, 9847714), (218, 9260465), (227, 8893310), (398, 5072315), (410, 4923857), (454, 4446655), (545, 3704186), (995, 2028926), (1090, 1852093), (1135, 1778662), (1990, 1014463), (2270, 889331), (4469, 451730), (8159, 247430), (8938, 225865), (9307, 216910), (16318, 123715), (18614, 108455), (21691, 93070), (22345, 90346), (24743, 81590), (40795, 49486), (43382, 46535), (44690, 45173)]