210005172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2877

約数の個数: 72

約数和(自身を含む): 575318016

約数和(自身を除く): 365312844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 334, 468, 501, 668, 1002, 1503, 2004, 2171, 2687, 3006, 4342, 5374, 6012, 6513, 8061, 8684, 10748, 13026, 16122, 19539, 24183, 26052, 32244, 34931, 39078, 48366, 69862, 78156, 96732, 104793, 139724, 209586, 314379, 419172, 448729, 628758, 897458, 1257516, 1346187, 1794916, 2692374, 4038561, 5384748, 5833477, 8077122, 11666954, 16154244, 17500431, 23333908, 35000862, 52501293, 70001724, 105002586, 210005172]

約数ペア:

[(1, 210005172), (2, 105002586), (3, 70001724), (4, 52501293), (6, 35000862), (9, 23333908), (12, 17500431), (13, 16154244), (18, 11666954), (26, 8077122), (36, 5833477), (39, 5384748), (52, 4038561), (78, 2692374), (117, 1794916), (156, 1346187), (167, 1257516), (234, 897458), (334, 628758), (468, 448729), (501, 419172), (668, 314379), (1002, 209586), (1503, 139724), (2004, 104793), (2171, 96732), (2687, 78156), (3006, 69862), (4342, 48366), (5374, 39078), (6012, 34931), (6513, 32244), (8061, 26052), (8684, 24183), (10748, 19539), (13026, 16122)]