245962010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{17657}}^1$

素因数の和:17870

約数の個数: 32

約数和(自身を含む): 508550400

約数和(自身を除く): 262588390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 17657, 35314, 88285, 123599, 176570, 247198, 617995, 1235990, 3513743, 7027486, 17568715, 24596201, 35137430, 49192402, 122981005, 245962010]

約数ペア:

[(1, 245962010), (2, 122981005), (5, 49192402), (7, 35137430), (10, 24596201), (14, 17568715), (35, 7027486), (70, 3513743), (199, 1235990), (398, 617995), (995, 247198), (1393, 176570), (1990, 123599), (2786, 88285), (6965, 35314), (13930, 17657)]