199482910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 419986944

約数和(自身を除く): 220504034

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 230, 253, 370, 407, 506, 814, 851, 1265, 1702, 2035, 2131, 2530, 4070, 4255, 4262, 8510, 9361, 10655, 18722, 21310, 23441, 46805, 46882, 49013, 78847, 93610, 98026, 117205, 157694, 234410, 245065, 394235, 490130, 539143, 788470, 867317, 1078286, 1734634, 1813481, 2695715, 3626962, 4336585, 5391430, 8673170, 9067405, 18134810, 19948291, 39896582, 99741455, 199482910]

約数ペア:

[(1, 199482910), (2, 99741455), (5, 39896582), (10, 19948291), (11, 18134810), (22, 9067405), (23, 8673170), (37, 5391430), (46, 4336585), (55, 3626962), (74, 2695715), (110, 1813481), (115, 1734634), (185, 1078286), (230, 867317), (253, 788470), (370, 539143), (407, 490130), (506, 394235), (814, 245065), (851, 234410), (1265, 157694), (1702, 117205), (2035, 98026), (2131, 93610), (2530, 78847), (4070, 49013), (4255, 46882), (4262, 46805), (8510, 23441), (9361, 21310), (10655, 18722)]