405241340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{10301}}^1$

素因数の和:10598

約数の個数: 48

約数和(自身を含む): 976135104

約数和(自身を除く): 570893764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 10301, 19670, 20602, 39340, 41204, 51505, 72107, 103010, 144214, 206020, 288428, 360535, 721070, 1442140, 2894581, 5789162, 11578324, 14472905, 20262067, 28945810, 40524134, 57891620, 81048268, 101310335, 202620670, 405241340]

約数ペア:

[(1, 405241340), (2, 202620670), (4, 101310335), (5, 81048268), (7, 57891620), (10, 40524134), (14, 28945810), (20, 20262067), (28, 14472905), (35, 11578324), (70, 5789162), (140, 2894581), (281, 1442140), (562, 721070), (1124, 360535), (1405, 288428), (1967, 206020), (2810, 144214), (3934, 103010), (5620, 72107), (7868, 51505), (9835, 41204), (10301, 39340), (19670, 20602)]