204968720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{232919}}^1$

素因数の和:232943

約数の個数: 40

約数和(自身を含む): 519877440

約数和(自身を除く): 314908720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 232919, 465838, 931676, 1164595, 1863352, 2329190, 2562109, 3726704, 4658380, 5124218, 9316760, 10248436, 12810545, 18633520, 20496872, 25621090, 40993744, 51242180, 102484360, 204968720]

約数ペア:

[(1, 204968720), (2, 102484360), (4, 51242180), (5, 40993744), (8, 25621090), (10, 20496872), (11, 18633520), (16, 12810545), (20, 10248436), (22, 9316760), (40, 5124218), (44, 4658380), (55, 3726704), (80, 2562109), (88, 2329190), (110, 1863352), (176, 1164595), (220, 931676), (440, 465838), (880, 232919)]