306975280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89237}}^1$

素因数の和:89293

約数の個数: 40

約数和(自身を含む): 730323792

約数和(自身を除く): 423348512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 89237, 178474, 356948, 446185, 713896, 892370, 1427792, 1784740, 3569480, 3837191, 7138960, 7674382, 15348764, 19185955, 30697528, 38371910, 61395056, 76743820, 153487640, 306975280]

約数ペア:

[(1, 306975280), (2, 153487640), (4, 76743820), (5, 61395056), (8, 38371910), (10, 30697528), (16, 19185955), (20, 15348764), (40, 7674382), (43, 7138960), (80, 3837191), (86, 3569480), (172, 1784740), (215, 1427792), (344, 892370), (430, 713896), (688, 446185), (860, 356948), (1720, 178474), (3440, 89237)]