1340920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4789}}^1$

素因数の和:4807

約数の個数: 32

約数和(自身を含む): 3448800

約数和(自身を除く): 2107880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4789, 9578, 19156, 23945, 33523, 38312, 47890, 67046, 95780, 134092, 167615, 191560, 268184, 335230, 670460, 1340920]

約数ペア:

[(1, 1340920), (2, 670460), (4, 335230), (5, 268184), (7, 191560), (8, 167615), (10, 134092), (14, 95780), (20, 67046), (28, 47890), (35, 38312), (40, 33523), (56, 23945), (70, 19156), (140, 9578), (280, 4789)]