138695480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{919}}^1$

素因数の和:962

約数の個数: 128

約数和(自身を含む): 397440000

約数和(自身を除く): 258744520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 919, 980, 1078, 1372, 1540, 1715, 1838, 1960, 2156, 2695, 2744, 3080, 3430, 3676, 3773, 4312, 4595, 5390, 6433, 6860, 7352, 7546, 9190, 10109, 10780, 12866, 13720, 15092, 18380, 18865, 20218, 21560, 25732, 30184, 32165, 36760, 37730, 40436, 45031, 50545, 51464, 64330, 70763, 75460, 80872, 90062, 101090, 128660, 141526, 150920, 180124, 202180, 225155, 257320, 283052, 315217, 353815, 360248, 404360, 450310, 495341, 566104, 630434, 707630, 900620, 990682, 1260868, 1415260, 1576085, 1801240, 1981364, 2476705, 2521736, 2830520, 3152170, 3467387, 3962728, 4953410, 6304340, 6934774, 9906820, 12608680, 13869548, 17336935, 19813640, 27739096, 34673870, 69347740, 138695480]

約数ペア:

[(1, 138695480), (2, 69347740), (4, 34673870), (5, 27739096), (7, 19813640), (8, 17336935), (10, 13869548), (11, 12608680), (14, 9906820), (20, 6934774), (22, 6304340), (28, 4953410), (35, 3962728), (40, 3467387), (44, 3152170), (49, 2830520), (55, 2521736), (56, 2476705), (70, 1981364), (77, 1801240), (88, 1576085), (98, 1415260), (110, 1260868), (140, 990682), (154, 900620), (196, 707630), (220, 630434), (245, 566104), (280, 495341), (308, 450310), (343, 404360), (385, 360248), (392, 353815), (440, 315217), (490, 283052), (539, 257320), (616, 225155), (686, 202180), (770, 180124), (919, 150920), (980, 141526), (1078, 128660), (1372, 101090), (1540, 90062), (1715, 80872), (1838, 75460), (1960, 70763), (2156, 64330), (2695, 51464), (2744, 50545), (3080, 45031), (3430, 40436), (3676, 37730), (3773, 36760), (4312, 32165), (4595, 30184), (5390, 25732), (6433, 21560), (6860, 20218), (7352, 18865), (7546, 18380), (9190, 15092), (10109, 13720), (10780, 12866)]