167121940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 356457024

約数和(自身を除く): 189335084

約数列:

[1, 2, 4, 5, 10, 20, 131, 227, 262, 281, 454, 524, 562, 655, 908, 1124, 1135, 1310, 1405, 2270, 2620, 2810, 4540, 5620, 29737, 36811, 59474, 63787, 73622, 118948, 127574, 147244, 148685, 184055, 255148, 297370, 318935, 368110, 594740, 637870, 736220, 1275740, 8356097, 16712194, 33424388, 41780485, 83560970, 167121940]

約数ペア:

[(1, 167121940), (2, 83560970), (4, 41780485), (5, 33424388), (10, 16712194), (20, 8356097), (131, 1275740), (227, 736220), (262, 637870), (281, 594740), (454, 368110), (524, 318935), (562, 297370), (655, 255148), (908, 184055), (1124, 148685), (1135, 147244), (1310, 127574), (1405, 118948), (2270, 73622), (2620, 63787), (2810, 59474), (4540, 36811), (5620, 29737)]