488996920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1433}}^1$

素因数の和:1912

約数の個数: 64

約数和(自身を含む): 1161540000

約数和(自身を除く): 672543080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 449, 760, 898, 1433, 1796, 2245, 2866, 3592, 4490, 5732, 7165, 8531, 8980, 11464, 14330, 17062, 17960, 27227, 28660, 34124, 42655, 54454, 57320, 68248, 85310, 108908, 136135, 170620, 217816, 272270, 341240, 544540, 643417, 1089080, 1286834, 2573668, 3217085, 5147336, 6434170, 12224923, 12868340, 24449846, 25736680, 48899692, 61124615, 97799384, 122249230, 244498460, 488996920]

約数ペア:

[(1, 488996920), (2, 244498460), (4, 122249230), (5, 97799384), (8, 61124615), (10, 48899692), (19, 25736680), (20, 24449846), (38, 12868340), (40, 12224923), (76, 6434170), (95, 5147336), (152, 3217085), (190, 2573668), (380, 1286834), (449, 1089080), (760, 643417), (898, 544540), (1433, 341240), (1796, 272270), (2245, 217816), (2866, 170620), (3592, 136135), (4490, 108908), (5732, 85310), (7165, 68248), (8531, 57320), (8980, 54454), (11464, 42655), (14330, 34124), (17062, 28660), (17960, 27227)]