287293480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 658627200

約数和(自身を除く): 371333720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 131, 218, 262, 436, 503, 524, 545, 655, 872, 1006, 1048, 1090, 1310, 2012, 2180, 2515, 2620, 4024, 4360, 5030, 5240, 10060, 14279, 20120, 28558, 54827, 57116, 65893, 71395, 109654, 114232, 131786, 142790, 219308, 263572, 274135, 285580, 329465, 438616, 527144, 548270, 571160, 658930, 1096540, 1317860, 2193080, 2635720, 7182337, 14364674, 28729348, 35911685, 57458696, 71823370, 143646740, 287293480]

約数ペア:

[(1, 287293480), (2, 143646740), (4, 71823370), (5, 57458696), (8, 35911685), (10, 28729348), (20, 14364674), (40, 7182337), (109, 2635720), (131, 2193080), (218, 1317860), (262, 1096540), (436, 658930), (503, 571160), (524, 548270), (545, 527144), (655, 438616), (872, 329465), (1006, 285580), (1048, 274135), (1090, 263572), (1310, 219308), (2012, 142790), (2180, 131786), (2515, 114232), (2620, 109654), (4024, 71395), (4360, 65893), (5030, 57116), (5240, 54827), (10060, 28558), (14279, 20120)]