70239820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4871}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 170247168

約数和(自身を除く): 100007348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 4871, 7210, 9742, 14420, 19484, 24355, 34097, 48710, 68194, 97420, 136388, 170485, 340970, 501713, 681940, 1003426, 2006852, 2508565, 3511991, 5017130, 7023982, 10034260, 14047964, 17559955, 35119910, 70239820]

約数ペア:

[(1, 70239820), (2, 35119910), (4, 17559955), (5, 14047964), (7, 10034260), (10, 7023982), (14, 5017130), (20, 3511991), (28, 2508565), (35, 2006852), (70, 1003426), (103, 681940), (140, 501713), (206, 340970), (412, 170485), (515, 136388), (721, 97420), (1030, 68194), (1442, 48710), (2060, 34097), (2884, 24355), (3605, 19484), (4871, 14420), (7210, 9742)]