3440920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{12289}}^1$

素因数の和:12307

約数の個数: 32

約数和(自身を含む): 8848800

約数和(自身を除く): 5407880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 12289, 24578, 49156, 61445, 86023, 98312, 122890, 172046, 245780, 344092, 430115, 491560, 688184, 860230, 1720460, 3440920]

約数ペア:

[(1, 3440920), (2, 1720460), (4, 860230), (5, 688184), (7, 491560), (8, 430115), (10, 344092), (14, 245780), (20, 172046), (28, 122890), (35, 98312), (40, 86023), (56, 61445), (70, 49156), (140, 24578), (280, 12289)]