628236490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{390209}}^1$

素因数の和:390246

約数の個数: 32

約数和(自身を含む): 1348565760

約数和(自身を除く): 720329270

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 390209, 780418, 1951045, 2731463, 3902090, 5462926, 8974807, 13657315, 17949614, 27314630, 44874035, 62823649, 89748070, 125647298, 314118245, 628236490]

約数ペア:

[(1, 628236490), (2, 314118245), (5, 125647298), (7, 89748070), (10, 62823649), (14, 44874035), (23, 27314630), (35, 17949614), (46, 13657315), (70, 8974807), (115, 5462926), (161, 3902090), (230, 2731463), (322, 1951045), (805, 780418), (1610, 390209)]