238480520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{192323}}^1$

素因数の和:192365

約数の個数: 32

約数和(自身を含む): 553893120

約数和(自身を除く): 315412600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 192323, 384646, 769292, 961615, 1538584, 1923230, 3846460, 5962013, 7692920, 11924026, 23848052, 29810065, 47696104, 59620130, 119240260, 238480520]

約数ペア:

[(1, 238480520), (2, 119240260), (4, 59620130), (5, 47696104), (8, 29810065), (10, 23848052), (20, 11924026), (31, 7692920), (40, 5962013), (62, 3846460), (124, 1923230), (155, 1538584), (248, 961615), (310, 769292), (620, 384646), (1240, 192323)]