71714440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5227}}^1$

素因数の和:5259

約数の個数: 64

約数和(自身を含む): 188208000

約数和(自身を除く): 116493560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5227, 6860, 10454, 13720, 20908, 26135, 36589, 41816, 52270, 73178, 104540, 146356, 182945, 209080, 256123, 292712, 365890, 512246, 731780, 1024492, 1280615, 1463560, 1792861, 2048984, 2561230, 3585722, 5122460, 7171444, 8964305, 10244920, 14342888, 17928610, 35857220, 71714440]

約数ペア:

[(1, 71714440), (2, 35857220), (4, 17928610), (5, 14342888), (7, 10244920), (8, 8964305), (10, 7171444), (14, 5122460), (20, 3585722), (28, 2561230), (35, 2048984), (40, 1792861), (49, 1463560), (56, 1280615), (70, 1024492), (98, 731780), (140, 512246), (196, 365890), (245, 292712), (280, 256123), (343, 209080), (392, 182945), (490, 146356), (686, 104540), (980, 73178), (1372, 52270), (1715, 41816), (1960, 36589), (2744, 26135), (3430, 20908), (5227, 13720), (6860, 10454)]