285930260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16879}}^1$

素因数の和:16917

約数の個数: 72

約数和(自身を含む): 754333440

約数和(自身を除く): 468403180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16879, 16940, 33758, 67516, 84395, 118153, 168790, 185669, 236306, 337580, 371338, 472612, 590765, 742676, 928345, 1181530, 1299683, 1856690, 2042359, 2363060, 2599366, 3713380, 4084718, 5198732, 6498415, 8169436, 10211795, 12996830, 14296513, 20423590, 25993660, 28593026, 40847180, 57186052, 71482565, 142965130, 285930260]

約数ペア:

[(1, 285930260), (2, 142965130), (4, 71482565), (5, 57186052), (7, 40847180), (10, 28593026), (11, 25993660), (14, 20423590), (20, 14296513), (22, 12996830), (28, 10211795), (35, 8169436), (44, 6498415), (55, 5198732), (70, 4084718), (77, 3713380), (110, 2599366), (121, 2363060), (140, 2042359), (154, 1856690), (220, 1299683), (242, 1181530), (308, 928345), (385, 742676), (484, 590765), (605, 472612), (770, 371338), (847, 337580), (1210, 236306), (1540, 185669), (1694, 168790), (2420, 118153), (3388, 84395), (4235, 67516), (8470, 33758), (16879, 16940)]