195144460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1861}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 481423824

約数和(自身を除く): 286279364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 749, 980, 1070, 1498, 1861, 2140, 2996, 3722, 3745, 5243, 7444, 7490, 9305, 10486, 13027, 14980, 18610, 20972, 26054, 26215, 37220, 52108, 52430, 65135, 91189, 104860, 130270, 182378, 199127, 260540, 364756, 398254, 455945, 796508, 911890, 995635, 1393889, 1823780, 1991270, 2787778, 3982540, 5575556, 6969445, 9757223, 13938890, 19514446, 27877780, 39028892, 48786115, 97572230, 195144460]

約数ペア:

[(1, 195144460), (2, 97572230), (4, 48786115), (5, 39028892), (7, 27877780), (10, 19514446), (14, 13938890), (20, 9757223), (28, 6969445), (35, 5575556), (49, 3982540), (70, 2787778), (98, 1991270), (107, 1823780), (140, 1393889), (196, 995635), (214, 911890), (245, 796508), (428, 455945), (490, 398254), (535, 364756), (749, 260540), (980, 199127), (1070, 182378), (1498, 130270), (1861, 104860), (2140, 91189), (2996, 65135), (3722, 52430), (3745, 52108), (5243, 37220), (7444, 26215), (7490, 26054), (9305, 20972), (10486, 18610), (13027, 14980)]