1298996830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 2444307840

約数和(自身を除く): 1145311010

約数列:

[1, 2, 5, 10, 61, 71, 89, 122, 142, 178, 305, 337, 355, 445, 610, 674, 710, 890, 1685, 3370, 4331, 5429, 6319, 8662, 10858, 12638, 20557, 21655, 23927, 27145, 29993, 31595, 41114, 43310, 47854, 54290, 59986, 63190, 102785, 119635, 149965, 205570, 239270, 299930, 385459, 770918, 1459547, 1829573, 1927295, 2129503, 2919094, 3659146, 3854590, 4259006, 7297735, 9147865, 10647515, 14595470, 18295730, 21295030, 129899683, 259799366, 649498415, 1298996830]

約数ペア:

[(1, 1298996830), (2, 649498415), (5, 259799366), (10, 129899683), (61, 21295030), (71, 18295730), (89, 14595470), (122, 10647515), (142, 9147865), (178, 7297735), (305, 4259006), (337, 3854590), (355, 3659146), (445, 2919094), (610, 2129503), (674, 1927295), (710, 1829573), (890, 1459547), (1685, 770918), (3370, 385459), (4331, 299930), (5429, 239270), (6319, 205570), (8662, 149965), (10858, 119635), (12638, 102785), (20557, 63190), (21655, 59986), (23927, 54290), (27145, 47854), (29993, 43310), (31595, 41114)]