28027450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 57451680

約数和(自身を除く): 29424230

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 262, 275, 389, 550, 655, 778, 1310, 1441, 1945, 2882, 3275, 3890, 4279, 6550, 7205, 8558, 9725, 14410, 19450, 21395, 36025, 42790, 50959, 72050, 101918, 106975, 213950, 254795, 509590, 560549, 1121098, 1273975, 2547950, 2802745, 5605490, 14013725, 28027450]

約数ペア:

[(1, 28027450), (2, 14013725), (5, 5605490), (10, 2802745), (11, 2547950), (22, 1273975), (25, 1121098), (50, 560549), (55, 509590), (110, 254795), (131, 213950), (262, 106975), (275, 101918), (389, 72050), (550, 50959), (655, 42790), (778, 36025), (1310, 21395), (1441, 19450), (1945, 14410), (2882, 9725), (3275, 8558), (3890, 7205), (4279, 6550)]