228906220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{128599}}^1$

素因数の和:128697

約数の個数: 24

約数和(自身を含む): 486108000

約数和(自身を除く): 257201780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 128599, 257198, 514396, 642995, 1285990, 2571980, 11445311, 22890622, 45781244, 57226555, 114453110, 228906220]

約数ペア:

[(1, 228906220), (2, 114453110), (4, 57226555), (5, 45781244), (10, 22890622), (20, 11445311), (89, 2571980), (178, 1285990), (356, 642995), (445, 514396), (890, 257198), (1780, 128599)]