2197420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 5116608

約数和(自身を除く): 2919188

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 281, 340, 391, 460, 562, 782, 1124, 1405, 1564, 1955, 2810, 3910, 4777, 5620, 6463, 7820, 9554, 12926, 19108, 23885, 25852, 32315, 47770, 64630, 95540, 109871, 129260, 219742, 439484, 549355, 1098710, 2197420]

約数ペア:

[(1, 2197420), (2, 1098710), (4, 549355), (5, 439484), (10, 219742), (17, 129260), (20, 109871), (23, 95540), (34, 64630), (46, 47770), (68, 32315), (85, 25852), (92, 23885), (115, 19108), (170, 12926), (230, 9554), (281, 7820), (340, 6463), (391, 5620), (460, 4777), (562, 3910), (782, 2810), (1124, 1955), (1405, 1564)]