389634840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51539}}^1$

素因数の和:51566

約数の個数: 128

約数和(自身を含む): 1484352000

約数和(自身を除く): 1094717160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51539, 103078, 154617, 206156, 257695, 309234, 360773, 412312, 463851, 515390, 618468, 721546, 773085, 927702, 1030780, 1082319, 1236936, 1391553, 1443092, 1546170, 1803865, 1855404, 2061560, 2164638, 2319255, 2783106, 2886184, 3092340, 3246957, 3607730, 3710808, 4329276, 4638510, 5411595, 5566212, 6184680, 6493914, 6957765, 7215460, 8658552, 9277020, 9740871, 10823190, 11132424, 12987828, 13915530, 14430920, 16234785, 18554040, 19481742, 21646380, 25975656, 27831060, 32469570, 38963484, 43292760, 48704355, 55662120, 64939140, 77926968, 97408710, 129878280, 194817420, 389634840]

約数ペア:

[(1, 389634840), (2, 194817420), (3, 129878280), (4, 97408710), (5, 77926968), (6, 64939140), (7, 55662120), (8, 48704355), (9, 43292760), (10, 38963484), (12, 32469570), (14, 27831060), (15, 25975656), (18, 21646380), (20, 19481742), (21, 18554040), (24, 16234785), (27, 14430920), (28, 13915530), (30, 12987828), (35, 11132424), (36, 10823190), (40, 9740871), (42, 9277020), (45, 8658552), (54, 7215460), (56, 6957765), (60, 6493914), (63, 6184680), (70, 5566212), (72, 5411595), (84, 4638510), (90, 4329276), (105, 3710808), (108, 3607730), (120, 3246957), (126, 3092340), (135, 2886184), (140, 2783106), (168, 2319255), (180, 2164638), (189, 2061560), (210, 1855404), (216, 1803865), (252, 1546170), (270, 1443092), (280, 1391553), (315, 1236936), (360, 1082319), (378, 1030780), (420, 927702), (504, 773085), (540, 721546), (630, 618468), (756, 515390), (840, 463851), (945, 412312), (1080, 360773), (1260, 309234), (1512, 257695), (1890, 206156), (2520, 154617), (3780, 103078), (7560, 51539)]