490999040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{54799}}^1$

素因数の和:54827

約数の個数: 72

約数和(自身を含む): 1344134400

約数和(自身を除く): 853135360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 54799, 109598, 219196, 273995, 383593, 438392, 547990, 767186, 876784, 1095980, 1534372, 1753568, 1917965, 2191960, 3068744, 3507136, 3835930, 4383920, 6137488, 7014272, 7671860, 8767840, 12274976, 14028544, 15343720, 17535680, 24549952, 30687440, 35071360, 49099904, 61374880, 70142720, 98199808, 122749760, 245499520, 490999040]

約数ペア:

[(1, 490999040), (2, 245499520), (4, 122749760), (5, 98199808), (7, 70142720), (8, 61374880), (10, 49099904), (14, 35071360), (16, 30687440), (20, 24549952), (28, 17535680), (32, 15343720), (35, 14028544), (40, 12274976), (56, 8767840), (64, 7671860), (70, 7014272), (80, 6137488), (112, 4383920), (128, 3835930), (140, 3507136), (160, 3068744), (224, 2191960), (256, 1917965), (280, 1753568), (320, 1534372), (448, 1095980), (560, 876784), (640, 767186), (896, 547990), (1120, 438392), (1280, 383593), (1792, 273995), (2240, 219196), (4480, 109598), (8960, 54799)]