289813020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1601}}^1$

素因数の和:2051

約数の個数: 96

約数和(自身を含む): 930134016

約数和(自身を除く): 640320996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 862, 1293, 1601, 1724, 2155, 2586, 3017, 3202, 4310, 4803, 5172, 6034, 6404, 6465, 8005, 8620, 9051, 9606, 11207, 12068, 12930, 15085, 16010, 18102, 19212, 22414, 24015, 25860, 30170, 32020, 33621, 36204, 44828, 45255, 48030, 56035, 60340, 67242, 90510, 96060, 112070, 134484, 168105, 181020, 224140, 336210, 672420, 690031, 1380062, 2070093, 2760124, 3450155, 4140186, 4830217, 6900310, 8280372, 9660434, 10350465, 13800620, 14490651, 19320868, 20700930, 24151085, 28981302, 41401860, 48302170, 57962604, 72453255, 96604340, 144906510, 289813020]

約数ペア:

[(1, 289813020), (2, 144906510), (3, 96604340), (4, 72453255), (5, 57962604), (6, 48302170), (7, 41401860), (10, 28981302), (12, 24151085), (14, 20700930), (15, 19320868), (20, 14490651), (21, 13800620), (28, 10350465), (30, 9660434), (35, 8280372), (42, 6900310), (60, 4830217), (70, 4140186), (84, 3450155), (105, 2760124), (140, 2070093), (210, 1380062), (420, 690031), (431, 672420), (862, 336210), (1293, 224140), (1601, 181020), (1724, 168105), (2155, 134484), (2586, 112070), (3017, 96060), (3202, 90510), (4310, 67242), (4803, 60340), (5172, 56035), (6034, 48030), (6404, 45255), (6465, 44828), (8005, 36204), (8620, 33621), (9051, 32020), (9606, 30170), (11207, 25860), (12068, 24015), (12930, 22414), (15085, 19212), (16010, 18102)]