1420003456

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3719}}^1$

素因数の和:3909

約数の個数: 64

約数和(自身を含む): 2997576000

約数和(自身を除く): 1577572544

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 157, 304, 314, 608, 628, 1216, 1256, 2432, 2512, 2983, 3719, 5024, 5966, 7438, 10048, 11932, 14876, 20096, 23864, 29752, 47728, 59504, 70661, 95456, 119008, 141322, 190912, 238016, 282644, 381824, 476032, 565288, 583883, 1130576, 1167766, 2261152, 2335532, 4522304, 4671064, 9044608, 9342128, 11093777, 18684256, 22187554, 37368512, 44375108, 74737024, 88750216, 177500432, 355000864, 710001728, 1420003456]

約数ペア:

[(1, 1420003456), (2, 710001728), (4, 355000864), (8, 177500432), (16, 88750216), (19, 74737024), (32, 44375108), (38, 37368512), (64, 22187554), (76, 18684256), (128, 11093777), (152, 9342128), (157, 9044608), (304, 4671064), (314, 4522304), (608, 2335532), (628, 2261152), (1216, 1167766), (1256, 1130576), (2432, 583883), (2512, 565288), (2983, 476032), (3719, 381824), (5024, 282644), (5966, 238016), (7438, 190912), (10048, 141322), (11932, 119008), (14876, 95456), (20096, 70661), (23864, 59504), (29752, 47728)]