338702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{219937}}^1$

素因数の和:219964

約数の個数: 48

約数和(自身を含む): 886790016

約数和(自身を除く): 548087036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 219937, 439874, 879748, 1099685, 1539559, 2199370, 2419307, 3079118, 4398740, 4838614, 6158236, 7697795, 9677228, 12096535, 15395590, 16935149, 24193070, 30791180, 33870298, 48386140, 67740596, 84675745, 169351490, 338702980]

約数ペア:

[(1, 338702980), (2, 169351490), (4, 84675745), (5, 67740596), (7, 48386140), (10, 33870298), (11, 30791180), (14, 24193070), (20, 16935149), (22, 15395590), (28, 12096535), (35, 9677228), (44, 7697795), (55, 6158236), (70, 4838614), (77, 4398740), (110, 3079118), (140, 2419307), (154, 2199370), (220, 1539559), (308, 1099685), (385, 879748), (770, 439874), (1540, 219937)]