139803020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 348872832

約数和(自身を除く): 209069812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 137, 140, 148, 185, 197, 259, 274, 370, 394, 518, 548, 685, 740, 788, 959, 985, 1036, 1295, 1370, 1379, 1918, 1970, 2590, 2740, 2758, 3836, 3940, 4795, 5069, 5180, 5516, 6895, 7289, 9590, 10138, 13790, 14578, 19180, 20276, 25345, 26989, 27580, 29156, 35483, 36445, 50690, 51023, 53978, 70966, 72890, 101380, 102046, 107956, 134945, 141932, 145780, 177415, 188923, 204092, 255115, 269890, 354830, 377846, 510230, 539780, 709660, 755692, 944615, 998593, 1020460, 1889230, 1997186, 3778460, 3994372, 4992965, 6990151, 9985930, 13980302, 19971860, 27960604, 34950755, 69901510, 139803020]

約数ペア:

[(1, 139803020), (2, 69901510), (4, 34950755), (5, 27960604), (7, 19971860), (10, 13980302), (14, 9985930), (20, 6990151), (28, 4992965), (35, 3994372), (37, 3778460), (70, 1997186), (74, 1889230), (137, 1020460), (140, 998593), (148, 944615), (185, 755692), (197, 709660), (259, 539780), (274, 510230), (370, 377846), (394, 354830), (518, 269890), (548, 255115), (685, 204092), (740, 188923), (788, 177415), (959, 145780), (985, 141932), (1036, 134945), (1295, 107956), (1370, 102046), (1379, 101380), (1918, 72890), (1970, 70966), (2590, 53978), (2740, 51023), (2758, 50690), (3836, 36445), (3940, 35483), (4795, 29156), (5069, 27580), (5180, 26989), (5516, 25345), (6895, 20276), (7289, 19180), (9590, 14578), (10138, 13790)]