216565240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{235397}}^1$

素因数の和:235431

約数の個数: 32

約数和(自身を含む): 508459680

約数和(自身を除く): 291894440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 235397, 470794, 941588, 1176985, 1883176, 2353970, 4707940, 5414131, 9415880, 10828262, 21656524, 27070655, 43313048, 54141310, 108282620, 216565240]

約数ペア:

[(1, 216565240), (2, 108282620), (4, 54141310), (5, 43313048), (8, 27070655), (10, 21656524), (20, 10828262), (23, 9415880), (40, 5414131), (46, 4707940), (92, 2353970), (115, 1883176), (184, 1176985), (230, 941588), (460, 470794), (920, 235397)]