1680416290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1493}}^1\times {\mathrm{2297}}^1$

素因数の和:3811

約数の個数: 48

約数和(自身を含む): 3522475512

約数和(自身を除く): 1842059222

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1493, 2297, 2986, 4594, 7465, 10451, 11485, 14930, 16079, 20902, 22970, 32158, 52255, 73157, 80395, 104510, 112553, 146314, 160790, 225106, 365785, 562765, 731570, 1125530, 3429421, 6858842, 17147105, 24005947, 34294210, 48011894, 120029735, 168041629, 240059470, 336083258, 840208145, 1680416290]

約数ペア:

[(1, 1680416290), (2, 840208145), (5, 336083258), (7, 240059470), (10, 168041629), (14, 120029735), (35, 48011894), (49, 34294210), (70, 24005947), (98, 17147105), (245, 6858842), (490, 3429421), (1493, 1125530), (2297, 731570), (2986, 562765), (4594, 365785), (7465, 225106), (10451, 160790), (11485, 146314), (14930, 112553), (16079, 104510), (20902, 80395), (22970, 73157), (32158, 52255)]