173306740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 384362496

約数和(自身を除く): 211055756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 127, 142, 155, 254, 284, 310, 355, 508, 620, 635, 710, 961, 1270, 1420, 1922, 2201, 2540, 3844, 3937, 4402, 4805, 7874, 8804, 9017, 9610, 11005, 15748, 18034, 19220, 19685, 22010, 36068, 39370, 44020, 45085, 68231, 78740, 90170, 122047, 136462, 180340, 244094, 272924, 279527, 341155, 488188, 559054, 610235, 682310, 1118108, 1220470, 1364620, 1397635, 2440940, 2795270, 5590540, 8665337, 17330674, 34661348, 43326685, 86653370, 173306740]

約数ペア:

[(1, 173306740), (2, 86653370), (4, 43326685), (5, 34661348), (10, 17330674), (20, 8665337), (31, 5590540), (62, 2795270), (71, 2440940), (124, 1397635), (127, 1364620), (142, 1220470), (155, 1118108), (254, 682310), (284, 610235), (310, 559054), (355, 488188), (508, 341155), (620, 279527), (635, 272924), (710, 244094), (961, 180340), (1270, 136462), (1420, 122047), (1922, 90170), (2201, 78740), (2540, 68231), (3844, 45085), (3937, 44020), (4402, 39370), (4805, 36068), (7874, 22010), (8804, 19685), (9017, 19220), (9610, 18034), (11005, 15748)]