2154451390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{15679}}^1$

素因数の和:15857

約数の個数: 64

約数和(自身を含む): 4804853760

約数和(自身を除く): 2650402370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 151, 182, 302, 455, 755, 910, 1057, 1510, 1963, 2114, 3926, 5285, 9815, 10570, 13741, 15679, 19630, 27482, 31358, 68705, 78395, 109753, 137410, 156790, 203827, 219506, 407654, 548765, 1019135, 1097530, 1426789, 2038270, 2367529, 2853578, 4735058, 7133945, 11837645, 14267890, 16572703, 23675290, 30777877, 33145406, 61555754, 82863515, 153889385, 165727030, 215445139, 307778770, 430890278, 1077225695, 2154451390]

約数ペア:

[(1, 2154451390), (2, 1077225695), (5, 430890278), (7, 307778770), (10, 215445139), (13, 165727030), (14, 153889385), (26, 82863515), (35, 61555754), (65, 33145406), (70, 30777877), (91, 23675290), (130, 16572703), (151, 14267890), (182, 11837645), (302, 7133945), (455, 4735058), (755, 2853578), (910, 2367529), (1057, 2038270), (1510, 1426789), (1963, 1097530), (2114, 1019135), (3926, 548765), (5285, 407654), (9815, 219506), (10570, 203827), (13741, 156790), (15679, 137410), (19630, 109753), (27482, 78395), (31358, 68705)]