280259620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{13513}}^1$

素因数の和:13600

約数の個数: 48

約数和(自身を含む): 633428208

約数和(自身を除く): 353168588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 13513, 20740, 27026, 54052, 67565, 135130, 229721, 270260, 459442, 824293, 918884, 1148605, 1648586, 2297210, 3297172, 4121465, 4594420, 8242930, 14012981, 16485860, 28025962, 56051924, 70064905, 140129810, 280259620]

約数ペア:

[(1, 280259620), (2, 140129810), (4, 70064905), (5, 56051924), (10, 28025962), (17, 16485860), (20, 14012981), (34, 8242930), (61, 4594420), (68, 4121465), (85, 3297172), (122, 2297210), (170, 1648586), (244, 1148605), (305, 918884), (340, 824293), (610, 459442), (1037, 270260), (1220, 229721), (2074, 135130), (4148, 67565), (5185, 54052), (10370, 27026), (13513, 20740)]