1440346670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{7187}}^1$

素因数の和:7617

約数の個数: 48

約数和(自身を含む): 3023704080

約数和(自身を除く): 1583357410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 409, 490, 818, 2045, 2863, 4090, 5726, 7187, 14315, 14374, 20041, 28630, 35935, 40082, 50309, 71870, 100205, 100618, 200410, 251545, 352163, 503090, 704326, 1760815, 2939483, 3521630, 5878966, 14697415, 20576381, 29394830, 41152762, 102881905, 144034667, 205763810, 288069334, 720173335, 1440346670]

約数ペア:

[(1, 1440346670), (2, 720173335), (5, 288069334), (7, 205763810), (10, 144034667), (14, 102881905), (35, 41152762), (49, 29394830), (70, 20576381), (98, 14697415), (245, 5878966), (409, 3521630), (490, 2939483), (818, 1760815), (2045, 704326), (2863, 503090), (4090, 352163), (5726, 251545), (7187, 200410), (14315, 100618), (14374, 100205), (20041, 71870), (28630, 50309), (35935, 40082)]