247857790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 490696704

約数和(自身を除く): 242838914

約数列:

[1, 2, 5, 10, 17, 34, 47, 67, 85, 94, 134, 170, 235, 335, 463, 470, 670, 799, 926, 1139, 1598, 2278, 2315, 3149, 3995, 4630, 5695, 6298, 7871, 7990, 11390, 15742, 15745, 21761, 31021, 31490, 39355, 43522, 53533, 62042, 78710, 107066, 108805, 155105, 217610, 267665, 310210, 369937, 527357, 535330, 739874, 1054714, 1457987, 1849685, 2636785, 2915974, 3699370, 5273570, 7289935, 14579870, 24785779, 49571558, 123928895, 247857790]

約数ペア:

[(1, 247857790), (2, 123928895), (5, 49571558), (10, 24785779), (17, 14579870), (34, 7289935), (47, 5273570), (67, 3699370), (85, 2915974), (94, 2636785), (134, 1849685), (170, 1457987), (235, 1054714), (335, 739874), (463, 535330), (470, 527357), (670, 369937), (799, 310210), (926, 267665), (1139, 217610), (1598, 155105), (2278, 108805), (2315, 107066), (3149, 78710), (3995, 62042), (4630, 53533), (5695, 43522), (6298, 39355), (7871, 31490), (7990, 31021), (11390, 21761), (15742, 15745)]