74870920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 175271040

約数和(自身を除く): 100400120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 643, 710, 820, 1286, 1420, 1640, 2572, 2840, 2911, 3215, 5144, 5822, 6430, 11644, 12860, 14555, 23288, 25720, 26363, 29110, 45653, 52726, 58220, 91306, 105452, 116440, 131815, 182612, 210904, 228265, 263630, 365224, 456530, 527260, 913060, 1054520, 1826120, 1871773, 3743546, 7487092, 9358865, 14974184, 18717730, 37435460, 74870920]

約数ペア:

[(1, 74870920), (2, 37435460), (4, 18717730), (5, 14974184), (8, 9358865), (10, 7487092), (20, 3743546), (40, 1871773), (41, 1826120), (71, 1054520), (82, 913060), (142, 527260), (164, 456530), (205, 365224), (284, 263630), (328, 228265), (355, 210904), (410, 182612), (568, 131815), (643, 116440), (710, 105452), (820, 91306), (1286, 58220), (1420, 52726), (1640, 45653), (2572, 29110), (2840, 26363), (2911, 25720), (3215, 23288), (5144, 14555), (5822, 12860), (6430, 11644)]