530656840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26693}}^1$

素因数の和:26782

約数の個数: 64

約数和(自身を含む): 1383816960

約数和(自身を除く): 853160120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 26693, 53386, 106772, 133465, 186851, 213544, 266930, 373702, 533860, 747404, 934255, 1067720, 1494808, 1868510, 1895203, 3737020, 3790406, 7474040, 7580812, 9476015, 13266421, 15161624, 18952030, 26532842, 37904060, 53065684, 66332105, 75808120, 106131368, 132664210, 265328420, 530656840]

約数ペア:

[(1, 530656840), (2, 265328420), (4, 132664210), (5, 106131368), (7, 75808120), (8, 66332105), (10, 53065684), (14, 37904060), (20, 26532842), (28, 18952030), (35, 15161624), (40, 13266421), (56, 9476015), (70, 7580812), (71, 7474040), (140, 3790406), (142, 3737020), (280, 1895203), (284, 1868510), (355, 1494808), (497, 1067720), (568, 934255), (710, 747404), (994, 533860), (1420, 373702), (1988, 266930), (2485, 213544), (2840, 186851), (3976, 133465), (4970, 106772), (9940, 53386), (19880, 26693)]