221844920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{883}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 546099840

約数和(自身を除く): 324254920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 571, 883, 1142, 1766, 2284, 2855, 3532, 4415, 4568, 5710, 6281, 7064, 8830, 9713, 11420, 12562, 17660, 19426, 22840, 25124, 31405, 35320, 38852, 48565, 50248, 62810, 77704, 97130, 125620, 194260, 251240, 388520, 504193, 1008386, 2016772, 2520965, 4033544, 5041930, 5546123, 10083860, 11092246, 20167720, 22184492, 27730615, 44368984, 55461230, 110922460, 221844920]

約数ペア:

[(1, 221844920), (2, 110922460), (4, 55461230), (5, 44368984), (8, 27730615), (10, 22184492), (11, 20167720), (20, 11092246), (22, 10083860), (40, 5546123), (44, 5041930), (55, 4033544), (88, 2520965), (110, 2016772), (220, 1008386), (440, 504193), (571, 388520), (883, 251240), (1142, 194260), (1766, 125620), (2284, 97130), (2855, 77704), (3532, 62810), (4415, 50248), (4568, 48565), (5710, 38852), (6281, 35320), (7064, 31405), (8830, 25124), (9713, 22840), (11420, 19426), (12562, 17660)]