416920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 1072800

約数和(自身を除く): 655880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1489, 2978, 5956, 7445, 10423, 11912, 14890, 20846, 29780, 41692, 52115, 59560, 83384, 104230, 208460, 416920]

約数ペア:

[(1, 416920), (2, 208460), (4, 104230), (5, 83384), (7, 59560), (8, 52115), (10, 41692), (14, 29780), (20, 20846), (28, 14890), (35, 11912), (40, 10423), (56, 7445), (70, 5956), (140, 2978), (280, 1489)]