401192008

素因数分解:

$2^3\times 7^3\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 882000000

約数和(自身を除く): 480807992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 293, 343, 392, 499, 586, 686, 998, 1172, 1372, 1996, 2051, 2344, 2744, 3493, 3992, 4102, 6986, 8204, 13972, 14357, 16408, 24451, 27944, 28714, 48902, 57428, 97804, 100499, 114856, 146207, 171157, 195608, 200998, 292414, 342314, 401996, 584828, 684628, 803992, 1023449, 1169656, 1369256, 2046898, 4093796, 7164143, 8187592, 14328286, 28656572, 50149001, 57313144, 100298002, 200596004, 401192008]

約数ペア:

[(1, 401192008), (2, 200596004), (4, 100298002), (7, 57313144), (8, 50149001), (14, 28656572), (28, 14328286), (49, 8187592), (56, 7164143), (98, 4093796), (196, 2046898), (293, 1369256), (343, 1169656), (392, 1023449), (499, 803992), (586, 684628), (686, 584828), (998, 401996), (1172, 342314), (1372, 292414), (1996, 200998), (2051, 195608), (2344, 171157), (2744, 146207), (3493, 114856), (3992, 100499), (4102, 97804), (6986, 57428), (8204, 48902), (13972, 28714), (14357, 27944), (16408, 24451)]