421653920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1193}}^1$

素因数の和:1302

約数の個数: 72

約数和(自身を含む): 1018656324

約数和(自身を除く): 597002404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1193, 1504, 1880, 2209, 2386, 3760, 4418, 4772, 5965, 7520, 8836, 9544, 11045, 11930, 17672, 19088, 22090, 23860, 35344, 38176, 44180, 47720, 56071, 70688, 88360, 95440, 112142, 176720, 190880, 224284, 280355, 353440, 448568, 560710, 897136, 1121420, 1794272, 2242840, 2635337, 4485680, 5270674, 8971360, 10541348, 13176685, 21082696, 26353370, 42165392, 52706740, 84330784, 105413480, 210826960, 421653920]

約数ペア:

[(1, 421653920), (2, 210826960), (4, 105413480), (5, 84330784), (8, 52706740), (10, 42165392), (16, 26353370), (20, 21082696), (32, 13176685), (40, 10541348), (47, 8971360), (80, 5270674), (94, 4485680), (160, 2635337), (188, 2242840), (235, 1794272), (376, 1121420), (470, 897136), (752, 560710), (940, 448568), (1193, 353440), (1504, 280355), (1880, 224284), (2209, 190880), (2386, 176720), (3760, 112142), (4418, 95440), (4772, 88360), (5965, 70688), (7520, 56071), (8836, 47720), (9544, 44180), (11045, 38176), (11930, 35344), (17672, 23860), (19088, 22090)]