140220920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3361}}^1$

素因数の和:3528

約数の個数: 64

約数和(自身を含む): 363096000

約数和(自身を除く): 222875080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 3361, 4172, 5215, 5960, 6722, 8344, 10430, 13444, 16805, 20860, 23527, 26888, 33610, 41720, 47054, 67220, 94108, 117635, 134440, 188216, 235270, 470540, 500789, 941080, 1001578, 2003156, 2503945, 3505523, 4006312, 5007890, 7011046, 10015780, 14022092, 17527615, 20031560, 28044184, 35055230, 70110460, 140220920]

約数ペア:

[(1, 140220920), (2, 70110460), (4, 35055230), (5, 28044184), (7, 20031560), (8, 17527615), (10, 14022092), (14, 10015780), (20, 7011046), (28, 5007890), (35, 4006312), (40, 3505523), (56, 2503945), (70, 2003156), (140, 1001578), (149, 941080), (280, 500789), (298, 470540), (596, 235270), (745, 188216), (1043, 134440), (1192, 117635), (1490, 94108), (2086, 67220), (2980, 47054), (3361, 41720), (4172, 33610), (5215, 26888), (5960, 23527), (6722, 20860), (8344, 16805), (10430, 13444)]