190823555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 281232000

約数和(自身を除く): 90408445

約数列:

[1, 5, 13, 17, 19, 61, 65, 85, 95, 149, 221, 247, 305, 323, 745, 793, 1037, 1105, 1159, 1235, 1615, 1937, 2533, 2831, 3965, 4199, 5185, 5795, 9089, 9685, 12665, 13481, 14155, 15067, 19703, 20995, 32929, 36803, 45445, 48127, 67405, 75335, 98515, 118157, 154513, 164645, 172691, 184015, 240635, 256139, 590785, 625651, 772565, 863455, 1280695, 2008669, 2244983, 2935747, 3128255, 10043345, 11224915, 14678735, 38164711, 190823555]

約数ペア:

[(1, 190823555), (5, 38164711), (13, 14678735), (17, 11224915), (19, 10043345), (61, 3128255), (65, 2935747), (85, 2244983), (95, 2008669), (149, 1280695), (221, 863455), (247, 772565), (305, 625651), (323, 590785), (745, 256139), (793, 240635), (1037, 184015), (1105, 172691), (1159, 164645), (1235, 154513), (1615, 118157), (1937, 98515), (2533, 75335), (2831, 67405), (3965, 48127), (4199, 45445), (5185, 36803), (5795, 32929), (9089, 20995), (9685, 19703), (12665, 15067), (13481, 14155)]