245129920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109433}}^1$

素因数の和:109457

約数の個数: 56

約数和(自身を含む): 667109664

約数和(自身を除く): 421979744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 109433, 218866, 437732, 547165, 766031, 875464, 1094330, 1532062, 1750928, 2188660, 3064124, 3501856, 3830155, 4377320, 6128248, 7003712, 7660310, 8754640, 12256496, 15320620, 17509280, 24512992, 30641240, 35018560, 49025984, 61282480, 122564960, 245129920]

約数ペア:

[(1, 245129920), (2, 122564960), (4, 61282480), (5, 49025984), (7, 35018560), (8, 30641240), (10, 24512992), (14, 17509280), (16, 15320620), (20, 12256496), (28, 8754640), (32, 7660310), (35, 7003712), (40, 6128248), (56, 4377320), (64, 3830155), (70, 3501856), (80, 3064124), (112, 2188660), (140, 1750928), (160, 1532062), (224, 1094330), (280, 875464), (320, 766031), (448, 547165), (560, 437732), (1120, 218866), (2240, 109433)]