210930580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20639}}^1$

素因数の和:20728

約数の個数: 48

約数和(自身を含む): 513192960

約数和(自身を除く): 302262380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 20639, 41278, 82556, 103195, 144473, 206390, 288946, 412780, 577892, 722365, 1444730, 1506647, 2889460, 3013294, 6026588, 7533235, 10546529, 15066470, 21093058, 30132940, 42186116, 52732645, 105465290, 210930580]

約数ペア:

[(1, 210930580), (2, 105465290), (4, 52732645), (5, 42186116), (7, 30132940), (10, 21093058), (14, 15066470), (20, 10546529), (28, 7533235), (35, 6026588), (70, 3013294), (73, 2889460), (140, 1506647), (146, 1444730), (292, 722365), (365, 577892), (511, 412780), (730, 288946), (1022, 206390), (1460, 144473), (2044, 103195), (2555, 82556), (5110, 41278), (10220, 20639)]