257226620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1093}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 633347232

約数和(自身を除く): 376120612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1093, 1148, 1435, 1681, 2186, 2870, 3362, 4372, 5465, 5740, 6724, 7651, 8405, 10930, 11767, 15302, 16810, 21860, 23534, 30604, 33620, 38255, 44813, 47068, 58835, 76510, 89626, 117670, 153020, 179252, 224065, 235340, 313691, 448130, 627382, 896260, 1254764, 1568455, 1837333, 3136910, 3674666, 6273820, 7349332, 9186665, 12861331, 18373330, 25722662, 36746660, 51445324, 64306655, 128613310, 257226620]

約数ペア:

[(1, 257226620), (2, 128613310), (4, 64306655), (5, 51445324), (7, 36746660), (10, 25722662), (14, 18373330), (20, 12861331), (28, 9186665), (35, 7349332), (41, 6273820), (70, 3674666), (82, 3136910), (140, 1837333), (164, 1568455), (205, 1254764), (287, 896260), (410, 627382), (574, 448130), (820, 313691), (1093, 235340), (1148, 224065), (1435, 179252), (1681, 153020), (2186, 117670), (2870, 89626), (3362, 76510), (4372, 58835), (5465, 47068), (5740, 44813), (6724, 38255), (7651, 33620), (8405, 30604), (10930, 23534), (11767, 21860), (15302, 16810)]