213824360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172439}}^1$

素因数の和:172481

約数の個数: 32

約数和(自身を含む): 496627200

約数和(自身を除く): 282802840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 172439, 344878, 689756, 862195, 1379512, 1724390, 3448780, 5345609, 6897560, 10691218, 21382436, 26728045, 42764872, 53456090, 106912180, 213824360]

約数ペア:

[(1, 213824360), (2, 106912180), (4, 53456090), (5, 42764872), (8, 26728045), (10, 21382436), (20, 10691218), (31, 6897560), (40, 5345609), (62, 3448780), (124, 1724390), (155, 1379512), (248, 862195), (310, 689756), (620, 344878), (1240, 172439)]