217873480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21529}}^1$

素因数の和:21574

約数の個数: 64

約数和(自身を含む): 558057600

約数和(自身を除く): 340184120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 21529, 43058, 86116, 107645, 172232, 215290, 236819, 430580, 473638, 495167, 861160, 947276, 990334, 1184095, 1894552, 1980668, 2368190, 2475835, 3961336, 4736380, 4951670, 5446837, 9472760, 9903340, 10893674, 19806680, 21787348, 27234185, 43574696, 54468370, 108936740, 217873480]

約数ペア:

[(1, 217873480), (2, 108936740), (4, 54468370), (5, 43574696), (8, 27234185), (10, 21787348), (11, 19806680), (20, 10893674), (22, 9903340), (23, 9472760), (40, 5446837), (44, 4951670), (46, 4736380), (55, 3961336), (88, 2475835), (92, 2368190), (110, 1980668), (115, 1894552), (184, 1184095), (220, 990334), (230, 947276), (253, 861160), (440, 495167), (460, 473638), (506, 430580), (920, 236819), (1012, 215290), (1265, 172232), (2024, 107645), (2530, 86116), (5060, 43058), (10120, 21529)]