197452920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1085

約数の個数: 128

約数和(自身を含む): 680048640

約数和(自身を除く): 482595720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 313, 420, 626, 751, 840, 939, 1252, 1502, 1565, 1878, 2191, 2253, 2504, 3004, 3130, 3755, 3756, 4382, 4506, 4695, 5257, 6008, 6260, 6573, 7510, 7512, 8764, 9012, 9390, 10514, 10955, 11265, 12520, 13146, 15020, 15771, 17528, 18024, 18780, 21028, 21910, 22530, 26285, 26292, 30040, 31542, 32865, 37560, 42056, 43820, 45060, 52570, 52584, 63084, 65730, 78855, 87640, 90120, 105140, 126168, 131460, 157710, 210280, 235063, 262920, 315420, 470126, 630840, 705189, 940252, 1175315, 1410378, 1645441, 1880504, 2350630, 2820756, 3290882, 3525945, 4701260, 4936323, 5641512, 6581764, 7051890, 8227205, 9402520, 9872646, 13163528, 14103780, 16454410, 19745292, 24681615, 28207560, 32908820, 39490584, 49363230, 65817640, 98726460, 197452920]

約数ペア:

[(1, 197452920), (2, 98726460), (3, 65817640), (4, 49363230), (5, 39490584), (6, 32908820), (7, 28207560), (8, 24681615), (10, 19745292), (12, 16454410), (14, 14103780), (15, 13163528), (20, 9872646), (21, 9402520), (24, 8227205), (28, 7051890), (30, 6581764), (35, 5641512), (40, 4936323), (42, 4701260), (56, 3525945), (60, 3290882), (70, 2820756), (84, 2350630), (105, 1880504), (120, 1645441), (140, 1410378), (168, 1175315), (210, 940252), (280, 705189), (313, 630840), (420, 470126), (626, 315420), (751, 262920), (840, 235063), (939, 210280), (1252, 157710), (1502, 131460), (1565, 126168), (1878, 105140), (2191, 90120), (2253, 87640), (2504, 78855), (3004, 65730), (3130, 63084), (3755, 52584), (3756, 52570), (4382, 45060), (4506, 43820), (4695, 42056), (5257, 37560), (6008, 32865), (6260, 31542), (6573, 30040), (7510, 26292), (7512, 26285), (8764, 22530), (9012, 21910), (9390, 21028), (10514, 18780), (10955, 18024), (11265, 17528), (12520, 15771), (13146, 15020)]