31729390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 72161280

約数和(自身を除く): 40431890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 385, 445, 463, 623, 770, 890, 926, 979, 1246, 1958, 2315, 3115, 3241, 4630, 4895, 5093, 6230, 6482, 6853, 9790, 10186, 13706, 16205, 25465, 32410, 34265, 35651, 41207, 50930, 68530, 71302, 82414, 178255, 206035, 288449, 356510, 412070, 453277, 576898, 906554, 1442245, 2266385, 2884490, 3172939, 4532770, 6345878, 15864695, 31729390]

約数ペア:

[(1, 31729390), (2, 15864695), (5, 6345878), (7, 4532770), (10, 3172939), (11, 2884490), (14, 2266385), (22, 1442245), (35, 906554), (55, 576898), (70, 453277), (77, 412070), (89, 356510), (110, 288449), (154, 206035), (178, 178255), (385, 82414), (445, 71302), (463, 68530), (623, 50930), (770, 41207), (890, 35651), (926, 34265), (979, 32410), (1246, 25465), (1958, 16205), (2315, 13706), (3115, 10186), (3241, 9790), (4630, 6853), (4895, 6482), (5093, 6230)]