246534940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 544513536

約数和(自身を除く): 297978596

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 127, 155, 202, 254, 310, 404, 505, 508, 620, 635, 961, 1010, 1270, 1922, 2020, 2540, 3131, 3844, 3937, 4805, 6262, 7874, 9610, 12524, 12827, 15655, 15748, 19220, 19685, 25654, 31310, 39370, 51308, 62620, 64135, 78740, 97061, 122047, 128270, 194122, 244094, 256540, 388244, 397637, 485305, 488188, 610235, 795274, 970610, 1220470, 1590548, 1941220, 1988185, 2440940, 3976370, 7952740, 12326747, 24653494, 49306988, 61633735, 123267470, 246534940]

約数ペア:

[(1, 246534940), (2, 123267470), (4, 61633735), (5, 49306988), (10, 24653494), (20, 12326747), (31, 7952740), (62, 3976370), (101, 2440940), (124, 1988185), (127, 1941220), (155, 1590548), (202, 1220470), (254, 970610), (310, 795274), (404, 610235), (505, 488188), (508, 485305), (620, 397637), (635, 388244), (961, 256540), (1010, 244094), (1270, 194122), (1922, 128270), (2020, 122047), (2540, 97061), (3131, 78740), (3844, 64135), (3937, 62620), (4805, 51308), (6262, 39370), (7874, 31310), (9610, 25654), (12524, 19685), (12827, 19220), (15655, 15748)]