217761470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{49831}}^1$

素因数の和:49880

約数の個数: 32

約数和(自身を含む): 430548480

約数和(自身を除く): 212787010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 49831, 99662, 249155, 498310, 946789, 1146113, 1893578, 2292226, 4733945, 5730565, 9467890, 11461130, 21776147, 43552294, 108880735, 217761470]

約数ペア:

[(1, 217761470), (2, 108880735), (5, 43552294), (10, 21776147), (19, 11461130), (23, 9467890), (38, 5730565), (46, 4733945), (95, 2292226), (115, 1893578), (190, 1146113), (230, 946789), (437, 498310), (874, 249155), (2185, 99662), (4370, 49831)]