280312510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{9397}}^1$

素因数の和:9580

約数の個数: 32

約数和(自身を含む): 534558240

約数和(自身を除く): 254245730

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2983, 5966, 9397, 14915, 18794, 29830, 46985, 93970, 178543, 357086, 892715, 1475329, 1785430, 2950658, 7376645, 14753290, 28031251, 56062502, 140156255, 280312510]

約数ペア:

[(1, 280312510), (2, 140156255), (5, 56062502), (10, 28031251), (19, 14753290), (38, 7376645), (95, 2950658), (157, 1785430), (190, 1475329), (314, 892715), (785, 357086), (1570, 178543), (2983, 93970), (5966, 46985), (9397, 29830), (14915, 18794)]