490900480

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13697}}^1$

素因数の和:13729

約数の個数: 88

約数和(自身を含む): 1345910688

約数和(自身を除く): 855010208

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, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 13697, 17920, 27394, 35840, 54788, 68485, 95879, 109576, 136970, 191758, 219152, 273940, 383516, 438304, 479395, 547880, 767032, 876608, 958790, 1095760, 1534064, 1753216, 1917580, 2191520, 3068128, 3506432, 3835160, 4383040, 6136256, 7012864, 7670320, 8766080, 12272512, 14025728, 15340640, 17532160, 24545024, 30681280, 35064320, 49090048, 61362560, 70128640, 98180096, 122725120, 245450240, 490900480]

約数ペア:

[(1, 490900480), (2, 245450240), (4, 122725120), (5, 98180096), (7, 70128640), (8, 61362560), (10, 49090048), (14, 35064320), (16, 30681280), (20, 24545024), (28, 17532160), (32, 15340640), (35, 14025728), (40, 12272512), (56, 8766080), (64, 7670320), (70, 7012864), (80, 6136256), (112, 4383040), (128, 3835160), (140, 3506432), (160, 3068128), (224, 2191520), (256, 1917580), (280, 1753216), (320, 1534064), (448, 1095760), (512, 958790), (560, 876608), (640, 767032), (896, 547880), (1024, 479395), (1120, 438304), (1280, 383516), (1792, 273940), (2240, 219152), (2560, 191758), (3584, 136970), (4480, 109576), (5120, 95879), (7168, 68485), (8960, 54788), (13697, 35840), (17920, 27394)]