239788920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{285463}}^1$

素因数の和:285484

約数の個数: 64

約数和(自身を含む): 822136320

約数和(自身を除く): 582347400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 285463, 570926, 856389, 1141852, 1427315, 1712778, 1998241, 2283704, 2854630, 3425556, 3996482, 4281945, 5709260, 5994723, 6851112, 7992964, 8563890, 9991205, 11418520, 11989446, 15985928, 17127780, 19982410, 23978892, 29973615, 34255560, 39964820, 47957784, 59947230, 79929640, 119894460, 239788920]

約数ペア:

[(1, 239788920), (2, 119894460), (3, 79929640), (4, 59947230), (5, 47957784), (6, 39964820), (7, 34255560), (8, 29973615), (10, 23978892), (12, 19982410), (14, 17127780), (15, 15985928), (20, 11989446), (21, 11418520), (24, 9991205), (28, 8563890), (30, 7992964), (35, 6851112), (40, 5994723), (42, 5709260), (56, 4281945), (60, 3996482), (70, 3425556), (84, 2854630), (105, 2283704), (120, 1998241), (140, 1712778), (168, 1427315), (210, 1141852), (280, 856389), (420, 570926), (840, 285463)]