129381420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{308051}}^1$

素因数の和:308070

約数の個数: 48

約数和(自身を含む): 414021888

約数和(自身を除く): 284640468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 308051, 616102, 924153, 1232204, 1540255, 1848306, 2156357, 3080510, 3696612, 4312714, 4620765, 6161020, 6469071, 8625428, 9241530, 10781785, 12938142, 18483060, 21563570, 25876284, 32345355, 43127140, 64690710, 129381420]

約数ペア:

[(1, 129381420), (2, 64690710), (3, 43127140), (4, 32345355), (5, 25876284), (6, 21563570), (7, 18483060), (10, 12938142), (12, 10781785), (14, 9241530), (15, 8625428), (20, 6469071), (21, 6161020), (28, 4620765), (30, 4312714), (35, 3696612), (42, 3080510), (60, 2156357), (70, 1848306), (84, 1540255), (105, 1232204), (140, 924153), (210, 616102), (420, 308051)]