206997280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 561496320

約数和(自身を除く): 354499040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 421, 439, 560, 842, 878, 1120, 1684, 1756, 2105, 2195, 2947, 3073, 3368, 3512, 4210, 4390, 5894, 6146, 6736, 7024, 8420, 8780, 11788, 12292, 13472, 14048, 14735, 15365, 16840, 17560, 23576, 24584, 29470, 30730, 33680, 35120, 47152, 49168, 58940, 61460, 67360, 70240, 94304, 98336, 117880, 122920, 184819, 235760, 245840, 369638, 471520, 491680, 739276, 924095, 1293733, 1478552, 1848190, 2587466, 2957104, 3696380, 5174932, 5914208, 6468665, 7392760, 10349864, 12937330, 14785520, 20699728, 25874660, 29571040, 41399456, 51749320, 103498640, 206997280]

約数ペア:

[(1, 206997280), (2, 103498640), (4, 51749320), (5, 41399456), (7, 29571040), (8, 25874660), (10, 20699728), (14, 14785520), (16, 12937330), (20, 10349864), (28, 7392760), (32, 6468665), (35, 5914208), (40, 5174932), (56, 3696380), (70, 2957104), (80, 2587466), (112, 1848190), (140, 1478552), (160, 1293733), (224, 924095), (280, 739276), (421, 491680), (439, 471520), (560, 369638), (842, 245840), (878, 235760), (1120, 184819), (1684, 122920), (1756, 117880), (2105, 98336), (2195, 94304), (2947, 70240), (3073, 67360), (3368, 61460), (3512, 58940), (4210, 49168), (4390, 47152), (5894, 35120), (6146, 33680), (6736, 30730), (7024, 29470), (8420, 24584), (8780, 23576), (11788, 17560), (12292, 16840), (13472, 15365), (14048, 14735)]