78124950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1406

約数の個数: 72

約数和(自身を含む): 211575000

約数和(自身を除く): 133450050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 417, 450, 695, 834, 1249, 1251, 1390, 2085, 2498, 2502, 3475, 3747, 4170, 6245, 6255, 6950, 7494, 10425, 11241, 12490, 12510, 18735, 20850, 22482, 31225, 31275, 37470, 56205, 62450, 62550, 93675, 112410, 173611, 187350, 281025, 347222, 520833, 562050, 868055, 1041666, 1562499, 1736110, 2604165, 3124998, 4340275, 5208330, 7812495, 8680550, 13020825, 15624990, 26041650, 39062475, 78124950]

約数ペア:

[(1, 78124950), (2, 39062475), (3, 26041650), (5, 15624990), (6, 13020825), (9, 8680550), (10, 7812495), (15, 5208330), (18, 4340275), (25, 3124998), (30, 2604165), (45, 1736110), (50, 1562499), (75, 1041666), (90, 868055), (139, 562050), (150, 520833), (225, 347222), (278, 281025), (417, 187350), (450, 173611), (695, 112410), (834, 93675), (1249, 62550), (1251, 62450), (1390, 56205), (2085, 37470), (2498, 31275), (2502, 31225), (3475, 22482), (3747, 20850), (4170, 18735), (6245, 12510), (6255, 12490), (6950, 11241), (7494, 10425)]