680001308

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{122039}}^1$

素因数の和:122249

約数の個数: 24

約数和(自身を含む): 1366848000

約数和(自身を除く): 686846692

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 122039, 244078, 488156, 854273, 1708546, 3417092, 24285761, 48571522, 97143044, 170000327, 340000654, 680001308]

約数ペア:

[(1, 680001308), (2, 340000654), (4, 170000327), (7, 97143044), (14, 48571522), (28, 24285761), (199, 3417092), (398, 1708546), (796, 854273), (1393, 488156), (2786, 244078), (5572, 122039)]