199909850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13931}}^1$

素因数の和:13991

約数の個数: 48

約数和(自身を含む): 435347136

約数和(自身を除く): 235437286

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, 13931, 14350, 27862, 69655, 97517, 139310, 195034, 348275, 487585, 571171, 696550, 975170, 1142342, 2437925, 2855855, 3998197, 4875850, 5711710, 7996394, 14279275, 19990985, 28558550, 39981970, 99954925, 199909850]

約数ペア:

[(1, 199909850), (2, 99954925), (5, 39981970), (7, 28558550), (10, 19990985), (14, 14279275), (25, 7996394), (35, 5711710), (41, 4875850), (50, 3998197), (70, 2855855), (82, 2437925), (175, 1142342), (205, 975170), (287, 696550), (350, 571171), (410, 487585), (574, 348275), (1025, 195034), (1435, 139310), (2050, 97517), (2870, 69655), (7175, 27862), (13931, 14350)]