143399690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19889}}^1$

素因数の和:20006

約数の個数: 32

約数和(自身を含む): 297872640

約数和(自身を除く): 154472950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 19889, 39778, 99445, 139223, 198890, 278446, 696115, 1392230, 2048567, 4097134, 10242835, 14339969, 20485670, 28679938, 71699845, 143399690]

約数ペア:

[(1, 143399690), (2, 71699845), (5, 28679938), (7, 20485670), (10, 14339969), (14, 10242835), (35, 4097134), (70, 2048567), (103, 1392230), (206, 696115), (515, 278446), (721, 198890), (1030, 139223), (1442, 99445), (3605, 39778), (7210, 19889)]