427579280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172411}}^1$

素因数の和:172455

約数の個数: 40

約数和(自身を含む): 1026196224

約数和(自身を除く): 598616944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 172411, 344822, 689644, 862055, 1379288, 1724110, 2758576, 3448220, 5344741, 6896440, 10689482, 13792880, 21378964, 26723705, 42757928, 53447410, 85515856, 106894820, 213789640, 427579280]

約数ペア:

[(1, 427579280), (2, 213789640), (4, 106894820), (5, 85515856), (8, 53447410), (10, 42757928), (16, 26723705), (20, 21378964), (31, 13792880), (40, 10689482), (62, 6896440), (80, 5344741), (124, 3448220), (155, 2758576), (248, 1724110), (310, 1379288), (496, 862055), (620, 689644), (1240, 344822), (2480, 172411)]