7212040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 18221760

約数和(自身を除く): 11009720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 443, 740, 814, 886, 1480, 1628, 1772, 2035, 2215, 3256, 3544, 4070, 4430, 4873, 8140, 8860, 9746, 16280, 16391, 17720, 19492, 24365, 32782, 38984, 48730, 65564, 81955, 97460, 131128, 163910, 180301, 194920, 327820, 360602, 655640, 721204, 901505, 1442408, 1803010, 3606020, 7212040]

約数ペア:

[(1, 7212040), (2, 3606020), (4, 1803010), (5, 1442408), (8, 901505), (10, 721204), (11, 655640), (20, 360602), (22, 327820), (37, 194920), (40, 180301), (44, 163910), (55, 131128), (74, 97460), (88, 81955), (110, 65564), (148, 48730), (185, 38984), (220, 32782), (296, 24365), (370, 19492), (407, 17720), (440, 16391), (443, 16280), (740, 9746), (814, 8860), (886, 8140), (1480, 4873), (1628, 4430), (1772, 4070), (2035, 3544), (2215, 3256)]