28944520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 71668800

約数和(自身を除く): 42724280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 419, 440, 628, 785, 838, 1256, 1570, 1676, 1727, 2095, 3140, 3352, 3454, 4190, 4609, 6280, 6908, 8380, 8635, 9218, 13816, 16760, 17270, 18436, 23045, 34540, 36872, 46090, 65783, 69080, 92180, 131566, 184360, 263132, 328915, 526264, 657830, 723613, 1315660, 1447226, 2631320, 2894452, 3618065, 5788904, 7236130, 14472260, 28944520]

約数ペア:

[(1, 28944520), (2, 14472260), (4, 7236130), (5, 5788904), (8, 3618065), (10, 2894452), (11, 2631320), (20, 1447226), (22, 1315660), (40, 723613), (44, 657830), (55, 526264), (88, 328915), (110, 263132), (157, 184360), (220, 131566), (314, 92180), (419, 69080), (440, 65783), (628, 46090), (785, 36872), (838, 34540), (1256, 23045), (1570, 18436), (1676, 17270), (1727, 16760), (2095, 13816), (3140, 9218), (3352, 8635), (3454, 8380), (4190, 6908), (4609, 6280)]