199955840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{44633}}^1$

素因数の和:44659

約数の個数: 64

約数和(自身を含む): 546320160

約数和(自身を除く): 346364320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 44633, 89266, 178532, 223165, 312431, 357064, 446330, 624862, 714128, 892660, 1249724, 1428256, 1562155, 1785320, 2499448, 2856512, 3124310, 3570640, 4998896, 5713024, 6248620, 7141280, 9997792, 12497240, 14282560, 19995584, 24994480, 28565120, 39991168, 49988960, 99977920, 199955840]

約数ペア:

[(1, 199955840), (2, 99977920), (4, 49988960), (5, 39991168), (7, 28565120), (8, 24994480), (10, 19995584), (14, 14282560), (16, 12497240), (20, 9997792), (28, 7141280), (32, 6248620), (35, 5713024), (40, 4998896), (56, 3570640), (64, 3124310), (70, 2856512), (80, 2499448), (112, 1785320), (128, 1562155), (140, 1428256), (160, 1249724), (224, 892660), (280, 714128), (320, 624862), (448, 446330), (560, 357064), (640, 312431), (896, 223165), (1120, 178532), (2240, 89266), (4480, 44633)]