213764840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 510481440

約数和(自身を除く): 296716600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 83, 124, 134, 155, 166, 248, 268, 310, 332, 335, 415, 536, 620, 664, 670, 830, 961, 1240, 1340, 1660, 1922, 2077, 2573, 2680, 3320, 3844, 4154, 4805, 5146, 5561, 7688, 8308, 9610, 10292, 10385, 11122, 12865, 16616, 19220, 20584, 20770, 22244, 25730, 27805, 38440, 41540, 44488, 51460, 55610, 64387, 79763, 83080, 102920, 111220, 128774, 159526, 172391, 222440, 257548, 319052, 321935, 344782, 398815, 515096, 638104, 643870, 689564, 797630, 861955, 1287740, 1379128, 1595260, 1723910, 2575480, 3190520, 3447820, 5344121, 6895640, 10688242, 21376484, 26720605, 42752968, 53441210, 106882420, 213764840]

約数ペア:

[(1, 213764840), (2, 106882420), (4, 53441210), (5, 42752968), (8, 26720605), (10, 21376484), (20, 10688242), (31, 6895640), (40, 5344121), (62, 3447820), (67, 3190520), (83, 2575480), (124, 1723910), (134, 1595260), (155, 1379128), (166, 1287740), (248, 861955), (268, 797630), (310, 689564), (332, 643870), (335, 638104), (415, 515096), (536, 398815), (620, 344782), (664, 321935), (670, 319052), (830, 257548), (961, 222440), (1240, 172391), (1340, 159526), (1660, 128774), (1922, 111220), (2077, 102920), (2573, 83080), (2680, 79763), (3320, 64387), (3844, 55610), (4154, 51460), (4805, 44488), (5146, 41540), (5561, 38440), (7688, 27805), (8308, 25730), (9610, 22244), (10292, 20770), (10385, 20584), (11122, 19220), (12865, 16616)]