31921010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 69866496

約数和(自身を除く): 37945486

約数列:

[1, 2, 5, 10, 11, 22, 23, 31, 37, 46, 55, 62, 74, 110, 115, 121, 155, 185, 230, 242, 253, 310, 341, 370, 407, 506, 605, 682, 713, 814, 851, 1147, 1210, 1265, 1426, 1702, 1705, 2035, 2294, 2530, 2783, 3410, 3565, 3751, 4070, 4255, 4477, 5566, 5735, 7130, 7502, 7843, 8510, 8954, 9361, 11470, 12617, 13915, 15686, 18722, 18755, 22385, 25234, 26381, 27830, 37510, 39215, 44770, 46805, 52762, 63085, 78430, 86273, 93610, 102971, 126170, 131905, 138787, 172546, 205942, 263810, 277574, 290191, 431365, 514855, 580382, 693935, 862730, 1029710, 1387870, 1450955, 2901910, 3192101, 6384202, 15960505, 31921010]

約数ペア:

[(1, 31921010), (2, 15960505), (5, 6384202), (10, 3192101), (11, 2901910), (22, 1450955), (23, 1387870), (31, 1029710), (37, 862730), (46, 693935), (55, 580382), (62, 514855), (74, 431365), (110, 290191), (115, 277574), (121, 263810), (155, 205942), (185, 172546), (230, 138787), (242, 131905), (253, 126170), (310, 102971), (341, 93610), (370, 86273), (407, 78430), (506, 63085), (605, 52762), (682, 46805), (713, 44770), (814, 39215), (851, 37510), (1147, 27830), (1210, 26381), (1265, 25234), (1426, 22385), (1702, 18755), (1705, 18722), (2035, 15686), (2294, 13915), (2530, 12617), (2783, 11470), (3410, 9361), (3565, 8954), (3751, 8510), (4070, 7843), (4255, 7502), (4477, 7130), (5566, 5735)]