201238840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{761}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 495421920

約数和(自身を除く): 294183080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 601, 761, 1202, 1522, 2404, 3005, 3044, 3805, 4808, 6010, 6088, 6611, 7610, 8371, 12020, 13222, 15220, 16742, 24040, 26444, 30440, 33055, 33484, 41855, 52888, 66110, 66968, 83710, 132220, 167420, 264440, 334840, 457361, 914722, 1829444, 2286805, 3658888, 4573610, 5030971, 9147220, 10061942, 18294440, 20123884, 25154855, 40247768, 50309710, 100619420, 201238840]

約数ペア:

[(1, 201238840), (2, 100619420), (4, 50309710), (5, 40247768), (8, 25154855), (10, 20123884), (11, 18294440), (20, 10061942), (22, 9147220), (40, 5030971), (44, 4573610), (55, 3658888), (88, 2286805), (110, 1829444), (220, 914722), (440, 457361), (601, 334840), (761, 264440), (1202, 167420), (1522, 132220), (2404, 83710), (3005, 66968), (3044, 66110), (3805, 52888), (4808, 41855), (6010, 33484), (6088, 33055), (6611, 30440), (7610, 26444), (8371, 24040), (12020, 16742), (13222, 15220)]