139446440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1427}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 359856000

約数和(自身を除く): 220409560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 1396, 1427, 1745, 2443, 2792, 2854, 3490, 4886, 5708, 6980, 7135, 9772, 9989, 11416, 12215, 13960, 14270, 19544, 19978, 24430, 28540, 39956, 48860, 49945, 57080, 79912, 97720, 99890, 199780, 399560, 498023, 996046, 1992092, 2490115, 3486161, 3984184, 4980230, 6972322, 9960460, 13944644, 17430805, 19920920, 27889288, 34861610, 69723220, 139446440]

約数ペア:

[(1, 139446440), (2, 69723220), (4, 34861610), (5, 27889288), (7, 19920920), (8, 17430805), (10, 13944644), (14, 9960460), (20, 6972322), (28, 4980230), (35, 3984184), (40, 3486161), (56, 2490115), (70, 1992092), (140, 996046), (280, 498023), (349, 399560), (698, 199780), (1396, 99890), (1427, 97720), (1745, 79912), (2443, 57080), (2792, 49945), (2854, 48860), (3490, 39956), (4886, 28540), (5708, 24430), (6980, 19978), (7135, 19544), (9772, 14270), (9989, 13960), (11416, 12215)]