395945480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{28859}}^1$

素因数の和:28891

約数の個数: 64

約数和(自身を含む): 1038960000

約数和(自身を除く): 643014520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 28859, 57718, 115436, 144295, 202013, 230872, 288590, 404026, 577180, 808052, 1010065, 1154360, 1414091, 1616104, 2020130, 2828182, 4040260, 5656364, 7070455, 8080520, 9898637, 11312728, 14140910, 19797274, 28281820, 39594548, 49493185, 56563640, 79189096, 98986370, 197972740, 395945480]

約数ペア:

[(1, 395945480), (2, 197972740), (4, 98986370), (5, 79189096), (7, 56563640), (8, 49493185), (10, 39594548), (14, 28281820), (20, 19797274), (28, 14140910), (35, 11312728), (40, 9898637), (49, 8080520), (56, 7070455), (70, 5656364), (98, 4040260), (140, 2828182), (196, 2020130), (245, 1616104), (280, 1414091), (343, 1154360), (392, 1010065), (490, 808052), (686, 577180), (980, 404026), (1372, 288590), (1715, 230872), (1960, 202013), (2744, 144295), (3430, 115436), (6860, 57718), (13720, 28859)]