255954440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{130589}}^1$

素因数の和:130614

約数の個数: 48

約数和(自身を含む): 669926700

約数和(自身を除く): 413972260

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, 1960, 130589, 261178, 522356, 652945, 914123, 1044712, 1305890, 1828246, 2611780, 3656492, 4570615, 5223560, 6398861, 7312984, 9141230, 12797722, 18282460, 25595444, 31994305, 36564920, 51190888, 63988610, 127977220, 255954440]

約数ペア:

[(1, 255954440), (2, 127977220), (4, 63988610), (5, 51190888), (7, 36564920), (8, 31994305), (10, 25595444), (14, 18282460), (20, 12797722), (28, 9141230), (35, 7312984), (40, 6398861), (49, 5223560), (56, 4570615), (70, 3656492), (98, 2611780), (140, 1828246), (196, 1305890), (245, 1044712), (280, 914123), (392, 652945), (490, 522356), (980, 261178), (1960, 130589)]