228121520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{259229}}^1$

素因数の和:259253

約数の個数: 40

約数和(自身を含む): 578601360

約数和(自身を除く): 350479840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 259229, 518458, 1036916, 1296145, 2073832, 2592290, 2851519, 4147664, 5184580, 5703038, 10369160, 11406076, 14257595, 20738320, 22812152, 28515190, 45624304, 57030380, 114060760, 228121520]

約数ペア:

[(1, 228121520), (2, 114060760), (4, 57030380), (5, 45624304), (8, 28515190), (10, 22812152), (11, 20738320), (16, 14257595), (20, 11406076), (22, 10369160), (40, 5703038), (44, 5184580), (55, 4147664), (80, 2851519), (88, 2592290), (110, 2073832), (176, 1296145), (220, 1036916), (440, 518458), (880, 259229)]