4989180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{1697}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 16260048

約数和(自身を除く): 11270868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 1697, 2940, 3394, 5091, 6788, 8485, 10182, 11879, 16970, 20364, 23758, 25455, 33940, 35637, 47516, 50910, 59395, 71274, 83153, 101820, 118790, 142548, 166306, 178185, 237580, 249459, 332612, 356370, 415765, 498918, 712740, 831530, 997836, 1247295, 1663060, 2494590, 4989180]

約数ペア:

[(1, 4989180), (2, 2494590), (3, 1663060), (4, 1247295), (5, 997836), (6, 831530), (7, 712740), (10, 498918), (12, 415765), (14, 356370), (15, 332612), (20, 249459), (21, 237580), (28, 178185), (30, 166306), (35, 142548), (42, 118790), (49, 101820), (60, 83153), (70, 71274), (84, 59395), (98, 50910), (105, 47516), (140, 35637), (147, 33940), (196, 25455), (210, 23758), (245, 20364), (294, 16970), (420, 11879), (490, 10182), (588, 8485), (735, 6788), (980, 5091), (1470, 3394), (1697, 2940)]