212647540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20807}}^1$

素因数の和:20896

約数の個数: 48

約数和(自身を含む): 517370112

約数和(自身を除く): 304722572

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, 20807, 41614, 83228, 104035, 145649, 208070, 291298, 416140, 582596, 728245, 1456490, 1518911, 2912980, 3037822, 6075644, 7594555, 10632377, 15189110, 21264754, 30378220, 42529508, 53161885, 106323770, 212647540]

約数ペア:

[(1, 212647540), (2, 106323770), (4, 53161885), (5, 42529508), (7, 30378220), (10, 21264754), (14, 15189110), (20, 10632377), (28, 7594555), (35, 6075644), (70, 3037822), (73, 2912980), (140, 1518911), (146, 1456490), (292, 728245), (365, 582596), (511, 416140), (730, 291298), (1022, 208070), (1460, 145649), (2044, 104035), (2555, 83228), (5110, 41614), (10220, 20807)]