2526440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 6617700

約数和(自身を除く): 4091260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1289, 1960, 2578, 5156, 6445, 9023, 10312, 12890, 18046, 25780, 36092, 45115, 51560, 63161, 72184, 90230, 126322, 180460, 252644, 315805, 360920, 505288, 631610, 1263220, 2526440]

約数ペア:

[(1, 2526440), (2, 1263220), (4, 631610), (5, 505288), (7, 360920), (8, 315805), (10, 252644), (14, 180460), (20, 126322), (28, 90230), (35, 72184), (40, 63161), (49, 51560), (56, 45115), (70, 36092), (98, 25780), (140, 18046), (196, 12890), (245, 10312), (280, 9023), (392, 6445), (490, 5156), (980, 2578), (1289, 1960)]