149267720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{76157}}^1$

素因数の和:76182

約数の個数: 48

約数和(自身を含む): 390690540

約数和(自身を除く): 241422820

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, 76157, 152314, 304628, 380785, 533099, 609256, 761570, 1066198, 1523140, 2132396, 2665495, 3046280, 3731693, 4264792, 5330990, 7463386, 10661980, 14926772, 18658465, 21323960, 29853544, 37316930, 74633860, 149267720]

約数ペア:

[(1, 149267720), (2, 74633860), (4, 37316930), (5, 29853544), (7, 21323960), (8, 18658465), (10, 14926772), (14, 10661980), (20, 7463386), (28, 5330990), (35, 4264792), (40, 3731693), (49, 3046280), (56, 2665495), (70, 2132396), (98, 1523140), (140, 1066198), (196, 761570), (245, 609256), (280, 533099), (392, 380785), (490, 304628), (980, 152314), (1960, 76157)]