280984816

素因数分解:

$2^4\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1801}}^1$

素因数の和:2022

約数の個数: 60

約数和(自身を含む): 636826800

約数和(自身を除く): 355841984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 199, 392, 398, 784, 796, 1393, 1592, 1801, 2786, 3184, 3602, 5572, 7204, 9751, 11144, 12607, 14408, 19502, 22288, 25214, 28816, 39004, 50428, 78008, 88249, 100856, 156016, 176498, 201712, 352996, 358399, 705992, 716798, 1411984, 1433596, 2508793, 2867192, 5017586, 5734384, 10035172, 17561551, 20070344, 35123102, 40140688, 70246204, 140492408, 280984816]

約数ペア:

[(1, 280984816), (2, 140492408), (4, 70246204), (7, 40140688), (8, 35123102), (14, 20070344), (16, 17561551), (28, 10035172), (49, 5734384), (56, 5017586), (98, 2867192), (112, 2508793), (196, 1433596), (199, 1411984), (392, 716798), (398, 705992), (784, 358399), (796, 352996), (1393, 201712), (1592, 176498), (1801, 156016), (2786, 100856), (3184, 88249), (3602, 78008), (5572, 50428), (7204, 39004), (9751, 28816), (11144, 25214), (12607, 22288), (14408, 19502)]