395845520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{100981}}^1$

素因数の和:101008

約数の個数: 60

約数和(自身を含む): 1070611164

約数和(自身を除く): 674765644

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 100981, 201962, 403924, 504905, 706867, 807848, 1009810, 1413734, 1615696, 2019620, 2827468, 3534335, 4039240, 4948069, 5654936, 7068670, 8078480, 9896138, 11309872, 14137340, 19792276, 24740345, 28274680, 39584552, 49480690, 56549360, 79169104, 98961380, 197922760, 395845520]

約数ペア:

[(1, 395845520), (2, 197922760), (4, 98961380), (5, 79169104), (7, 56549360), (8, 49480690), (10, 39584552), (14, 28274680), (16, 24740345), (20, 19792276), (28, 14137340), (35, 11309872), (40, 9896138), (49, 8078480), (56, 7068670), (70, 5654936), (80, 4948069), (98, 4039240), (112, 3534335), (140, 2827468), (196, 2019620), (245, 1615696), (280, 1413734), (392, 1009810), (490, 807848), (560, 706867), (784, 504905), (980, 403924), (1960, 201962), (3920, 100981)]