19946445680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5088379}}^1$

素因数の和:5088406

約数の個数: 60

約数和(自身を含む): 53947004760

約数和(自身を除く): 34000559080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5088379, 10176758, 20353516, 25441895, 35618653, 40707032, 50883790, 71237306, 81414064, 101767580, 142474612, 178093265, 203535160, 249330571, 284949224, 356186530, 407070320, 498661142, 569898448, 712373060, 997322284, 1246652855, 1424746120, 1994644568, 2493305710, 2849492240, 3989289136, 4986611420, 9973222840, 19946445680]

約数ペア:

[(1, 19946445680), (2, 9973222840), (4, 4986611420), (5, 3989289136), (7, 2849492240), (8, 2493305710), (10, 1994644568), (14, 1424746120), (16, 1246652855), (20, 997322284), (28, 712373060), (35, 569898448), (40, 498661142), (49, 407070320), (56, 356186530), (70, 284949224), (80, 249330571), (98, 203535160), (112, 178093265), (140, 142474612), (196, 101767580), (245, 81414064), (280, 71237306), (392, 50883790), (490, 40707032), (560, 35618653), (784, 25441895), (980, 20353516), (1960, 10176758), (3920, 5088379)]