221520590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{4889}}^1$

素因数の和:5116

約数の個数: 32

約数和(自身を含む): 418271040

約数和(自身を除く): 196750450

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 985, 1970, 4531, 4889, 9062, 9778, 22655, 24445, 45310, 48890, 112447, 224894, 562235, 963133, 1124470, 1926266, 4815665, 9631330, 22152059, 44304118, 110760295, 221520590]

約数ペア:

[(1, 221520590), (2, 110760295), (5, 44304118), (10, 22152059), (23, 9631330), (46, 4815665), (115, 1926266), (197, 1124470), (230, 963133), (394, 562235), (985, 224894), (1970, 112447), (4531, 48890), (4889, 45310), (9062, 24445), (9778, 22655)]