274477480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 632033280

約数和(自身を除く): 357555800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 508, 568, 635, 710, 761, 1016, 1270, 1420, 1522, 2540, 2840, 3044, 3805, 5080, 6088, 7610, 9017, 15220, 18034, 30440, 36068, 45085, 54031, 72136, 90170, 96647, 108062, 180340, 193294, 216124, 270155, 360680, 386588, 432248, 483235, 540310, 773176, 966470, 1080620, 1932940, 2161240, 3865880, 6861937, 13723874, 27447748, 34309685, 54895496, 68619370, 137238740, 274477480]

約数ペア:

[(1, 274477480), (2, 137238740), (4, 68619370), (5, 54895496), (8, 34309685), (10, 27447748), (20, 13723874), (40, 6861937), (71, 3865880), (127, 2161240), (142, 1932940), (254, 1080620), (284, 966470), (355, 773176), (508, 540310), (568, 483235), (635, 432248), (710, 386588), (761, 360680), (1016, 270155), (1270, 216124), (1420, 193294), (1522, 180340), (2540, 108062), (2840, 96647), (3044, 90170), (3805, 72136), (5080, 54031), (6088, 45085), (7610, 36068), (9017, 30440), (15220, 18034)]