1978994090

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1\times {\mathrm{1021}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 3585012480

約数和(自身を除く): 1606018390

約数列:

[1, 2, 5, 10, 239, 478, 811, 1021, 1195, 1622, 2042, 2390, 4055, 5105, 8110, 10210, 193829, 244019, 387658, 488038, 828031, 969145, 1220095, 1656062, 1938290, 2440190, 4140155, 8280310, 197899409, 395798818, 989497045, 1978994090]

約数ペア:

[(1, 1978994090), (2, 989497045), (5, 395798818), (10, 197899409), (239, 8280310), (478, 4140155), (811, 2440190), (1021, 1938290), (1195, 1656062), (1622, 1220095), (2042, 969145), (2390, 828031), (4055, 488038), (5105, 387658), (8110, 244019), (10210, 193829)]