28199900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3950

約数の個数: 36

約数和(自身を含む): 62048112

約数和(自身を除く): 33848212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 3863, 7300, 7726, 15452, 19315, 38630, 77260, 96575, 193150, 281999, 386300, 563998, 1127996, 1409995, 2819990, 5639980, 7049975, 14099950, 28199900]

約数ペア:

[(1, 28199900), (2, 14099950), (4, 7049975), (5, 5639980), (10, 2819990), (20, 1409995), (25, 1127996), (50, 563998), (73, 386300), (100, 281999), (146, 193150), (292, 96575), (365, 77260), (730, 38630), (1460, 19315), (1825, 15452), (3650, 7726), (3863, 7300)]