259433440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{33091}}^1$

素因数の和:33120

約数の個数: 72

約数和(自身を含む): 713000232

約数和(自身を除く): 453566792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 33091, 66182, 132364, 165455, 231637, 264728, 330910, 463274, 529456, 661820, 926548, 1058912, 1158185, 1323640, 1621459, 1853096, 2316370, 2647280, 3242918, 3706192, 4632740, 5294560, 6485836, 7412384, 8107295, 9265480, 12971672, 16214590, 18530960, 25943344, 32429180, 37061920, 51886688, 64858360, 129716720, 259433440]

約数ペア:

[(1, 259433440), (2, 129716720), (4, 64858360), (5, 51886688), (7, 37061920), (8, 32429180), (10, 25943344), (14, 18530960), (16, 16214590), (20, 12971672), (28, 9265480), (32, 8107295), (35, 7412384), (40, 6485836), (49, 5294560), (56, 4632740), (70, 3706192), (80, 3242918), (98, 2647280), (112, 2316370), (140, 1853096), (160, 1621459), (196, 1323640), (224, 1158185), (245, 1058912), (280, 926548), (392, 661820), (490, 529456), (560, 463274), (784, 330910), (980, 264728), (1120, 231637), (1568, 165455), (1960, 132364), (3920, 66182), (7840, 33091)]