11781420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28051}}^1$

素因数の和:28070

約数の個数: 48

約数和(自身を含む): 37701888

約数和(自身を除く): 25920468

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, 28051, 56102, 84153, 112204, 140255, 168306, 196357, 280510, 336612, 392714, 420765, 561020, 589071, 785428, 841530, 981785, 1178142, 1683060, 1963570, 2356284, 2945355, 3927140, 5890710, 11781420]

約数ペア:

[(1, 11781420), (2, 5890710), (3, 3927140), (4, 2945355), (5, 2356284), (6, 1963570), (7, 1683060), (10, 1178142), (12, 981785), (14, 841530), (15, 785428), (20, 589071), (21, 561020), (28, 420765), (30, 392714), (35, 336612), (42, 280510), (60, 196357), (70, 168306), (84, 140255), (105, 112204), (140, 84153), (210, 56102), (420, 28051)]