398177920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{12697}}^1$

素因数の和:12730

約数の個数: 96

約数和(自身を含む): 1107392580

約数和(自身を除く): 709214660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 12697, 15680, 25394, 31360, 50788, 63485, 88879, 101576, 126970, 177758, 203152, 253940, 355516, 406304, 444395, 507880, 622153, 711032, 812608, 888790, 1015760, 1244306, 1422064, 1625216, 1777580, 2031520, 2488612, 2844128, 3110765, 3555160, 4063040, 4977224, 5688256, 6221530, 7110320, 8126080, 9954448, 11376512, 12443060, 14220640, 19908896, 24886120, 28441280, 39817792, 49772240, 56882560, 79635584, 99544480, 199088960, 398177920]

約数ペア:

[(1, 398177920), (2, 199088960), (4, 99544480), (5, 79635584), (7, 56882560), (8, 49772240), (10, 39817792), (14, 28441280), (16, 24886120), (20, 19908896), (28, 14220640), (32, 12443060), (35, 11376512), (40, 9954448), (49, 8126080), (56, 7110320), (64, 6221530), (70, 5688256), (80, 4977224), (98, 4063040), (112, 3555160), (128, 3110765), (140, 2844128), (160, 2488612), (196, 2031520), (224, 1777580), (245, 1625216), (280, 1422064), (320, 1244306), (392, 1015760), (448, 888790), (490, 812608), (560, 711032), (640, 622153), (784, 507880), (896, 444395), (980, 406304), (1120, 355516), (1568, 253940), (1960, 203152), (2240, 177758), (3136, 126970), (3920, 101576), (4480, 88879), (6272, 63485), (7840, 50788), (12697, 31360), (15680, 25394)]