219999850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15331}}^1$

素因数の和:15391

約数の個数: 48

約数和(自身を含む): 479094336

約数和(自身を除く): 259094486

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 175, 205, 287, 350, 410, 574, 1025, 1435, 2050, 2870, 7175, 14350, 15331, 30662, 76655, 107317, 153310, 214634, 383275, 536585, 628571, 766550, 1073170, 1257142, 2682925, 3142855, 4399997, 5365850, 6285710, 8799994, 15714275, 21999985, 31428550, 43999970, 109999925, 219999850]

約数ペア:

[(1, 219999850), (2, 109999925), (5, 43999970), (7, 31428550), (10, 21999985), (14, 15714275), (25, 8799994), (35, 6285710), (41, 5365850), (50, 4399997), (70, 3142855), (82, 2682925), (175, 1257142), (205, 1073170), (287, 766550), (350, 628571), (410, 536585), (574, 383275), (1025, 214634), (1435, 153310), (2050, 107317), (2870, 76655), (7175, 30662), (14350, 15331)]