668768210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 1327233600

約数和(自身を除く): 658465390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 439, 605, 878, 1210, 1259, 2195, 2518, 4390, 4829, 6295, 9658, 12590, 13849, 24145, 27698, 48290, 53119, 69245, 106238, 138490, 152339, 265595, 304678, 531190, 552701, 761695, 1105402, 1523390, 2763505, 5527010, 6079711, 12159422, 30398555, 60797110, 66876821, 133753642, 334384105, 668768210]

約数ペア:

[(1, 668768210), (2, 334384105), (5, 133753642), (10, 66876821), (11, 60797110), (22, 30398555), (55, 12159422), (110, 6079711), (121, 5527010), (242, 2763505), (439, 1523390), (605, 1105402), (878, 761695), (1210, 552701), (1259, 531190), (2195, 304678), (2518, 265595), (4390, 152339), (4829, 138490), (6295, 106238), (9658, 69245), (12590, 53119), (13849, 48290), (24145, 27698)]