990000216

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{49639}}^1$

素因数の和:49928

約数の個数: 48

約数和(自身を含む): 2690984400

約数和(自身を除く): 1700984184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1108, 1662, 2216, 2493, 3324, 4986, 6648, 9972, 19944, 49639, 99278, 148917, 198556, 297834, 397112, 446751, 595668, 893502, 1191336, 1787004, 3574008, 13750003, 27500006, 41250009, 55000012, 82500018, 110000024, 123750027, 165000036, 247500054, 330000072, 495000108, 990000216]

約数ペア:

[(1, 990000216), (2, 495000108), (3, 330000072), (4, 247500054), (6, 165000036), (8, 123750027), (9, 110000024), (12, 82500018), (18, 55000012), (24, 41250009), (36, 27500006), (72, 13750003), (277, 3574008), (554, 1787004), (831, 1191336), (1108, 893502), (1662, 595668), (2216, 446751), (2493, 397112), (3324, 297834), (4986, 198556), (6648, 148917), (9972, 99278), (19944, 49639)]