191040920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{682289}}^1$

素因数の和:682307

約数の個数: 32

約数和(自身を含む): 491248800

約数和(自身を除く): 300207880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 682289, 1364578, 2729156, 3411445, 4776023, 5458312, 6822890, 9552046, 13645780, 19104092, 23880115, 27291560, 38208184, 47760230, 95520460, 191040920]

約数ペア:

[(1, 191040920), (2, 95520460), (4, 47760230), (5, 38208184), (7, 27291560), (8, 23880115), (10, 19104092), (14, 13645780), (20, 9552046), (28, 6822890), (35, 5458312), (40, 4776023), (56, 3411445), (70, 2729156), (140, 1364578), (280, 682289)]