202389180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{481879}}^1$

素因数の和:481898

約数の個数: 48

約数和(自身を含む): 647646720

約数和(自身を除く): 445257540

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, 481879, 963758, 1445637, 1927516, 2409395, 2891274, 3373153, 4818790, 5782548, 6746306, 7228185, 9637580, 10119459, 13492612, 14456370, 16865765, 20238918, 28912740, 33731530, 40477836, 50597295, 67463060, 101194590, 202389180]

約数ペア:

[(1, 202389180), (2, 101194590), (3, 67463060), (4, 50597295), (5, 40477836), (6, 33731530), (7, 28912740), (10, 20238918), (12, 16865765), (14, 14456370), (15, 13492612), (20, 10119459), (21, 9637580), (28, 7228185), (30, 6746306), (35, 5782548), (42, 4818790), (60, 3373153), (70, 2891274), (84, 2409395), (105, 1927516), (140, 1445637), (210, 963758), (420, 481879)]