2187010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 4550400

約数和(自身を除く): 2363390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 199, 314, 398, 785, 995, 1099, 1393, 1570, 1990, 2198, 2786, 5495, 6965, 10990, 13930, 31243, 62486, 156215, 218701, 312430, 437402, 1093505, 2187010]

約数ペア:

[(1, 2187010), (2, 1093505), (5, 437402), (7, 312430), (10, 218701), (14, 156215), (35, 62486), (70, 31243), (157, 13930), (199, 10990), (314, 6965), (398, 5495), (785, 2786), (995, 2198), (1099, 1990), (1393, 1570)]