31442810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 35949190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 103, 178, 206, 245, 343, 445, 490, 515, 623, 686, 721, 890, 1030, 1246, 1442, 1715, 3115, 3430, 3605, 4361, 5047, 6230, 7210, 8722, 9167, 10094, 18334, 21805, 25235, 30527, 35329, 43610, 45835, 50470, 61054, 64169, 70658, 91670, 128338, 152635, 176645, 305270, 320845, 353290, 449183, 641690, 898366, 2245915, 3144281, 4491830, 6288562, 15721405, 31442810]

約数ペア:

[(1, 31442810), (2, 15721405), (5, 6288562), (7, 4491830), (10, 3144281), (14, 2245915), (35, 898366), (49, 641690), (70, 449183), (89, 353290), (98, 320845), (103, 305270), (178, 176645), (206, 152635), (245, 128338), (343, 91670), (445, 70658), (490, 64169), (515, 61054), (623, 50470), (686, 45835), (721, 43610), (890, 35329), (1030, 30527), (1246, 25235), (1442, 21805), (1715, 18334), (3115, 10094), (3430, 9167), (3605, 8722), (4361, 7210), (5047, 6230)]