257788370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{160117}}^1$

素因数の和:160154

約数の個数: 32

約数和(自身を含む): 553367808

約数和(自身を除く): 295579438

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 160117, 320234, 800585, 1120819, 1601170, 2241638, 3682691, 5604095, 7365382, 11208190, 18413455, 25778837, 36826910, 51557674, 128894185, 257788370]

約数ペア:

[(1, 257788370), (2, 128894185), (5, 51557674), (7, 36826910), (10, 25778837), (14, 18413455), (23, 11208190), (35, 7365382), (46, 5604095), (70, 3682691), (115, 2241638), (161, 1601170), (230, 1120819), (322, 800585), (805, 320234), (1610, 160117)]