4394840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 10964160

約数和(自身を除く): 6569320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 281, 340, 391, 460, 562, 680, 782, 920, 1124, 1405, 1564, 1955, 2248, 2810, 3128, 3910, 4777, 5620, 6463, 7820, 9554, 11240, 12926, 15640, 19108, 23885, 25852, 32315, 38216, 47770, 51704, 64630, 95540, 109871, 129260, 191080, 219742, 258520, 439484, 549355, 878968, 1098710, 2197420, 4394840]

約数ペア:

[(1, 4394840), (2, 2197420), (4, 1098710), (5, 878968), (8, 549355), (10, 439484), (17, 258520), (20, 219742), (23, 191080), (34, 129260), (40, 109871), (46, 95540), (68, 64630), (85, 51704), (92, 47770), (115, 38216), (136, 32315), (170, 25852), (184, 23885), (230, 19108), (281, 15640), (340, 12926), (391, 11240), (460, 9554), (562, 7820), (680, 6463), (782, 5620), (920, 4777), (1124, 3910), (1405, 3128), (1564, 2810), (1955, 2248)]