4450040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 11957760

約数和(自身を除く): 7507720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 691, 805, 920, 1288, 1382, 1610, 2764, 3220, 3455, 4837, 5528, 6440, 6910, 9674, 13820, 15893, 19348, 24185, 27640, 31786, 38696, 48370, 63572, 79465, 96740, 111251, 127144, 158930, 193480, 222502, 317860, 445004, 556255, 635720, 890008, 1112510, 2225020, 4450040]

約数ペア:

[(1, 4450040), (2, 2225020), (4, 1112510), (5, 890008), (7, 635720), (8, 556255), (10, 445004), (14, 317860), (20, 222502), (23, 193480), (28, 158930), (35, 127144), (40, 111251), (46, 96740), (56, 79465), (70, 63572), (92, 48370), (115, 38696), (140, 31786), (161, 27640), (184, 24185), (230, 19348), (280, 15893), (322, 13820), (460, 9674), (644, 6910), (691, 6440), (805, 5528), (920, 4837), (1288, 3455), (1382, 3220), (1610, 2764)]