212475340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 559415808

約数和(自身を除く): 346940468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 281, 308, 385, 491, 562, 770, 982, 1124, 1405, 1540, 1964, 1967, 2455, 2810, 3091, 3437, 3934, 4910, 5401, 5620, 6182, 6874, 7868, 9820, 9835, 10802, 12364, 13748, 15455, 17185, 19670, 21604, 21637, 27005, 30910, 34370, 37807, 39340, 43274, 54010, 61820, 68740, 75614, 86548, 108020, 108185, 137971, 151228, 189035, 216370, 275942, 378070, 432740, 551884, 689855, 756140, 965797, 1379710, 1517681, 1931594, 2759420, 3035362, 3863188, 4828985, 6070724, 7588405, 9657970, 10623767, 15176810, 19315940, 21247534, 30353620, 42495068, 53118835, 106237670, 212475340]

約数ペア:

[(1, 212475340), (2, 106237670), (4, 53118835), (5, 42495068), (7, 30353620), (10, 21247534), (11, 19315940), (14, 15176810), (20, 10623767), (22, 9657970), (28, 7588405), (35, 6070724), (44, 4828985), (55, 3863188), (70, 3035362), (77, 2759420), (110, 1931594), (140, 1517681), (154, 1379710), (220, 965797), (281, 756140), (308, 689855), (385, 551884), (491, 432740), (562, 378070), (770, 275942), (982, 216370), (1124, 189035), (1405, 151228), (1540, 137971), (1964, 108185), (1967, 108020), (2455, 86548), (2810, 75614), (3091, 68740), (3437, 61820), (3934, 54010), (4910, 43274), (5401, 39340), (5620, 37807), (6182, 34370), (6874, 30910), (7868, 27005), (9820, 21637), (9835, 21604), (10802, 19670), (12364, 17185), (13748, 15455)]