2019913770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{2137}}^1$

素因数の和:2804

約数の個数: 96

約数和(自身を含む): 5650682688

約数和(自身を除く): 3630768918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 643, 735, 1286, 1470, 1929, 2137, 3215, 3858, 4274, 4501, 6411, 6430, 9002, 9645, 10685, 12822, 13503, 14959, 19290, 21370, 22505, 27006, 29918, 31507, 32055, 44877, 45010, 63014, 64110, 67515, 74795, 89754, 94521, 104713, 135030, 149590, 157535, 189042, 209426, 224385, 314139, 315070, 448770, 472605, 523565, 628278, 945210, 1047130, 1374091, 1570695, 2748182, 3141390, 4122273, 6870455, 8244546, 9618637, 13740910, 19237274, 20611365, 28855911, 41222730, 48093185, 57711822, 67330459, 96186370, 134660918, 144279555, 201991377, 288559110, 336652295, 403982754, 673304590, 1009956885, 2019913770]

約数ペア:

[(1, 2019913770), (2, 1009956885), (3, 673304590), (5, 403982754), (6, 336652295), (7, 288559110), (10, 201991377), (14, 144279555), (15, 134660918), (21, 96186370), (30, 67330459), (35, 57711822), (42, 48093185), (49, 41222730), (70, 28855911), (98, 20611365), (105, 19237274), (147, 13740910), (210, 9618637), (245, 8244546), (294, 6870455), (490, 4122273), (643, 3141390), (735, 2748182), (1286, 1570695), (1470, 1374091), (1929, 1047130), (2137, 945210), (3215, 628278), (3858, 523565), (4274, 472605), (4501, 448770), (6411, 315070), (6430, 314139), (9002, 224385), (9645, 209426), (10685, 189042), (12822, 157535), (13503, 149590), (14959, 135030), (19290, 104713), (21370, 94521), (22505, 89754), (27006, 74795), (29918, 67515), (31507, 64110), (32055, 63014), (44877, 45010)]