1686440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 4579200

約数和(自身を除く): 2892760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 317, 380, 532, 634, 665, 760, 1064, 1268, 1330, 1585, 2219, 2536, 2660, 3170, 4438, 5320, 6023, 6340, 8876, 11095, 12046, 12680, 17752, 22190, 24092, 30115, 42161, 44380, 48184, 60230, 84322, 88760, 120460, 168644, 210805, 240920, 337288, 421610, 843220, 1686440]

約数ペア:

[(1, 1686440), (2, 843220), (4, 421610), (5, 337288), (7, 240920), (8, 210805), (10, 168644), (14, 120460), (19, 88760), (20, 84322), (28, 60230), (35, 48184), (38, 44380), (40, 42161), (56, 30115), (70, 24092), (76, 22190), (95, 17752), (133, 12680), (140, 12046), (152, 11095), (190, 8876), (266, 6340), (280, 6023), (317, 5320), (380, 4438), (532, 3170), (634, 2660), (665, 2536), (760, 2219), (1064, 1585), (1268, 1330)]