2988893020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{47609}}^1$

素因数の和:47734

約数の個数: 48

約数和(自身を含む): 6510762720

約数和(自身を除く): 3521869700

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 6278, 12556, 15695, 31390, 47609, 62780, 95218, 190436, 238045, 476090, 952180, 2047187, 3475457, 4094374, 6950914, 8188748, 10235935, 13901828, 17377285, 20471870, 34754570, 40943740, 69509140, 149444651, 298889302, 597778604, 747223255, 1494446510, 2988893020]

約数ペア:

[(1, 2988893020), (2, 1494446510), (4, 747223255), (5, 597778604), (10, 298889302), (20, 149444651), (43, 69509140), (73, 40943740), (86, 34754570), (146, 20471870), (172, 17377285), (215, 13901828), (292, 10235935), (365, 8188748), (430, 6950914), (730, 4094374), (860, 3475457), (1460, 2047187), (3139, 952180), (6278, 476090), (12556, 238045), (15695, 190436), (31390, 95218), (47609, 62780)]