18224080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4649}}^1$

素因数の和:4676

約数の個数: 60

約数和(自身を含む): 49299300

約数和(自身を除く): 31075220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4649, 9298, 18596, 23245, 32543, 37192, 46490, 65086, 74384, 92980, 130172, 162715, 185960, 227801, 260344, 325430, 371920, 455602, 520688, 650860, 911204, 1139005, 1301720, 1822408, 2278010, 2603440, 3644816, 4556020, 9112040, 18224080]

約数ペア:

[(1, 18224080), (2, 9112040), (4, 4556020), (5, 3644816), (7, 2603440), (8, 2278010), (10, 1822408), (14, 1301720), (16, 1139005), (20, 911204), (28, 650860), (35, 520688), (40, 455602), (49, 371920), (56, 325430), (70, 260344), (80, 227801), (98, 185960), (112, 162715), (140, 130172), (196, 92980), (245, 74384), (280, 65086), (392, 46490), (490, 37192), (560, 32543), (784, 23245), (980, 18596), (1960, 9298), (3920, 4649)]