18289700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 28373980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1279, 1300, 1430, 2558, 2860, 3575, 5116, 6395, 7150, 12790, 14069, 14300, 16627, 25580, 28138, 31975, 33254, 56276, 63950, 66508, 70345, 83135, 127900, 140690, 166270, 182897, 281380, 332540, 351725, 365794, 415675, 703450, 731588, 831350, 914485, 1406900, 1662700, 1828970, 3657940, 4572425, 9144850, 18289700]

約数ペア:

[(1, 18289700), (2, 9144850), (4, 4572425), (5, 3657940), (10, 1828970), (11, 1662700), (13, 1406900), (20, 914485), (22, 831350), (25, 731588), (26, 703450), (44, 415675), (50, 365794), (52, 351725), (55, 332540), (65, 281380), (100, 182897), (110, 166270), (130, 140690), (143, 127900), (220, 83135), (260, 70345), (275, 66508), (286, 63950), (325, 56276), (550, 33254), (572, 31975), (650, 28138), (715, 25580), (1100, 16627), (1279, 14300), (1300, 14069), (1430, 12790), (2558, 7150), (2860, 6395), (3575, 5116)]