181240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 427680

約数和(自身を除く): 246440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 394, 460, 788, 920, 985, 1576, 1970, 3940, 4531, 7880, 9062, 18124, 22655, 36248, 45310, 90620, 181240]

約数ペア:

[(1, 181240), (2, 90620), (4, 45310), (5, 36248), (8, 22655), (10, 18124), (20, 9062), (23, 7880), (40, 4531), (46, 3940), (92, 1970), (115, 1576), (184, 985), (197, 920), (230, 788), (394, 460)]