123205970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^2$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 240875208

約数和(自身を除く): 117669238

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 109, 122, 170, 218, 305, 545, 610, 1037, 1090, 1853, 2074, 3706, 5185, 6649, 9265, 10370, 11881, 13298, 18530, 23762, 33245, 59405, 66490, 113033, 118810, 201977, 226066, 403954, 565165, 724741, 1009885, 1130330, 1449482, 2019770, 3623705, 7247410, 12320597, 24641194, 61602985, 123205970]

約数ペア:

[(1, 123205970), (2, 61602985), (5, 24641194), (10, 12320597), (17, 7247410), (34, 3623705), (61, 2019770), (85, 1449482), (109, 1130330), (122, 1009885), (170, 724741), (218, 565165), (305, 403954), (545, 226066), (610, 201977), (1037, 118810), (1090, 113033), (1853, 66490), (2074, 59405), (3706, 33245), (5185, 23762), (6649, 18530), (9265, 13298), (10370, 11881)]