2490658990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 4629804480

約数和(自身を除く): 2139145490

約数列:

[1, 2, 5, 10, 101, 113, 139, 157, 202, 226, 278, 314, 505, 565, 695, 785, 1010, 1130, 1390, 1570, 11413, 14039, 15707, 15857, 17741, 21823, 22826, 28078, 31414, 31714, 35482, 43646, 57065, 70195, 78535, 79285, 88705, 109115, 114130, 140390, 157070, 158570, 177410, 218230, 1586407, 1791841, 2204123, 2465999, 3172814, 3583682, 4408246, 4931998, 7932035, 8959205, 11020615, 12329995, 15864070, 17918410, 22041230, 24659990, 249065899, 498131798, 1245329495, 2490658990]

約数ペア:

[(1, 2490658990), (2, 1245329495), (5, 498131798), (10, 249065899), (101, 24659990), (113, 22041230), (139, 17918410), (157, 15864070), (202, 12329995), (226, 11020615), (278, 8959205), (314, 7932035), (505, 4931998), (565, 4408246), (695, 3583682), (785, 3172814), (1010, 2465999), (1130, 2204123), (1390, 1791841), (1570, 1586407), (11413, 218230), (14039, 177410), (15707, 158570), (15857, 157070), (17741, 140390), (21823, 114130), (22826, 109115), (28078, 88705), (31414, 79285), (31714, 78535), (35482, 70195), (43646, 57065)]