250098920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 578067840

約数和(自身を除く): 327968920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 830, 1061, 1420, 1660, 2122, 2840, 3320, 4244, 5305, 5893, 8488, 10610, 11786, 21220, 23572, 29465, 42440, 47144, 58930, 75331, 88063, 117860, 150662, 176126, 235720, 301324, 352252, 376655, 440315, 602648, 704504, 753310, 880630, 1506620, 1761260, 3013240, 3522520, 6252473, 12504946, 25009892, 31262365, 50019784, 62524730, 125049460, 250098920]

約数ペア:

[(1, 250098920), (2, 125049460), (4, 62524730), (5, 50019784), (8, 31262365), (10, 25009892), (20, 12504946), (40, 6252473), (71, 3522520), (83, 3013240), (142, 1761260), (166, 1506620), (284, 880630), (332, 753310), (355, 704504), (415, 602648), (568, 440315), (664, 376655), (710, 352252), (830, 301324), (1061, 235720), (1420, 176126), (1660, 150662), (2122, 117860), (2840, 88063), (3320, 75331), (4244, 58930), (5305, 47144), (5893, 42440), (8488, 29465), (10610, 23572), (11786, 21220)]