139036520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{70937}}^1$

素因数の和:70962

約数の個数: 48

約数和(自身を含む): 363911940

約数和(自身を除く): 224875420

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, 70937, 141874, 283748, 354685, 496559, 567496, 709370, 993118, 1418740, 1986236, 2482795, 2837480, 3475913, 3972472, 4965590, 6951826, 9931180, 13903652, 17379565, 19862360, 27807304, 34759130, 69518260, 139036520]

約数ペア:

[(1, 139036520), (2, 69518260), (4, 34759130), (5, 27807304), (7, 19862360), (8, 17379565), (10, 13903652), (14, 9931180), (20, 6951826), (28, 4965590), (35, 3972472), (40, 3475913), (49, 2837480), (56, 2482795), (70, 1986236), (98, 1418740), (140, 993118), (196, 709370), (245, 567496), (280, 496559), (392, 354685), (490, 283748), (980, 141874), (1960, 70937)]