220656016

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 80

約数和(自身を含む): 515046400

約数和(自身を除く): 294390384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1297, 1372, 1519, 1736, 2594, 2744, 3038, 3472, 5188, 5488, 6076, 9079, 10376, 10633, 12152, 18158, 20752, 21266, 24304, 36316, 40207, 42532, 63553, 72632, 80414, 85064, 127106, 145264, 160828, 170128, 254212, 281449, 321656, 444871, 508424, 562898, 643312, 889742, 1016848, 1125796, 1779484, 1970143, 2251592, 3558968, 3940286, 4503184, 7117936, 7880572, 13791001, 15761144, 27582002, 31522288, 55164004, 110328008, 220656016]

約数ペア:

[(1, 220656016), (2, 110328008), (4, 55164004), (7, 31522288), (8, 27582002), (14, 15761144), (16, 13791001), (28, 7880572), (31, 7117936), (49, 4503184), (56, 3940286), (62, 3558968), (98, 2251592), (112, 1970143), (124, 1779484), (196, 1125796), (217, 1016848), (248, 889742), (343, 643312), (392, 562898), (434, 508424), (496, 444871), (686, 321656), (784, 281449), (868, 254212), (1297, 170128), (1372, 160828), (1519, 145264), (1736, 127106), (2594, 85064), (2744, 80414), (3038, 72632), (3472, 63553), (5188, 42532), (5488, 40207), (6076, 36316), (9079, 24304), (10376, 21266), (10633, 20752), (12152, 18158)]