478498640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3163}}^1$

素因数の和:3268

約数の個数: 80

約数和(自身を含む): 1167591936

約数和(自身を除く): 689093296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1891, 2440, 2480, 3163, 3782, 4880, 6326, 7564, 9455, 12652, 15128, 15815, 18910, 25304, 30256, 31630, 37820, 50608, 63260, 75640, 98053, 126520, 151280, 192943, 196106, 253040, 385886, 392212, 490265, 771772, 784424, 964715, 980530, 1543544, 1568848, 1929430, 1961060, 3087088, 3858860, 3922120, 5981233, 7717720, 7844240, 11962466, 15435440, 23924932, 29906165, 47849864, 59812330, 95699728, 119624660, 239249320, 478498640]

約数ペア:

[(1, 478498640), (2, 239249320), (4, 119624660), (5, 95699728), (8, 59812330), (10, 47849864), (16, 29906165), (20, 23924932), (31, 15435440), (40, 11962466), (61, 7844240), (62, 7717720), (80, 5981233), (122, 3922120), (124, 3858860), (155, 3087088), (244, 1961060), (248, 1929430), (305, 1568848), (310, 1543544), (488, 980530), (496, 964715), (610, 784424), (620, 771772), (976, 490265), (1220, 392212), (1240, 385886), (1891, 253040), (2440, 196106), (2480, 192943), (3163, 151280), (3782, 126520), (4880, 98053), (6326, 75640), (7564, 63260), (9455, 50608), (12652, 37820), (15128, 31630), (15815, 30256), (18910, 25304)]