2004458540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{493709}}^1$

素因数の和:493754

約数の個数: 48

約数和(自身を含む): 4976596800

約数和(自身を除く): 2972138260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 493709, 987418, 1974836, 2468545, 3455963, 4937090, 6911926, 9874180, 13823852, 14317561, 17279815, 28635122, 34559630, 57270244, 69119260, 71587805, 100222927, 143175610, 200445854, 286351220, 400891708, 501114635, 1002229270, 2004458540]

約数ペア:

[(1, 2004458540), (2, 1002229270), (4, 501114635), (5, 400891708), (7, 286351220), (10, 200445854), (14, 143175610), (20, 100222927), (28, 71587805), (29, 69119260), (35, 57270244), (58, 34559630), (70, 28635122), (116, 17279815), (140, 14317561), (145, 13823852), (203, 9874180), (290, 6911926), (406, 4937090), (580, 3455963), (812, 2468545), (1015, 1974836), (2030, 987418), (4060, 493709)]