217817538620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52109459}}^1$

素因数の和:52109498

約数の個数: 48

約数和(自身を含む): 525263356800

約数和(自身を除く): 307445818180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 52109459, 104218918, 208437836, 260547295, 521094590, 573204049, 990079721, 1042189180, 1146408098, 1980159442, 2292816196, 2866020245, 3960318884, 4950398605, 5732040490, 9900797210, 10890876931, 11464080980, 19801594420, 21781753862, 43563507724, 54454384655, 108908769310, 217817538620]

約数ペア:

[(1, 217817538620), (2, 108908769310), (4, 54454384655), (5, 43563507724), (10, 21781753862), (11, 19801594420), (19, 11464080980), (20, 10890876931), (22, 9900797210), (38, 5732040490), (44, 4950398605), (55, 3960318884), (76, 2866020245), (95, 2292816196), (110, 1980159442), (190, 1146408098), (209, 1042189180), (220, 990079721), (380, 573204049), (418, 521094590), (836, 260547295), (1045, 208437836), (2090, 104218918), (4180, 52109459)]