1489249900

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{82279}}^1$

素因数の和:82474

約数の個数: 36

約数和(自身を含む): 3249566320

約数和(自身を除く): 1760316420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1810, 3620, 4525, 9050, 18100, 82279, 164558, 329116, 411395, 822790, 1645580, 2056975, 4113950, 8227900, 14892499, 29784998, 59569996, 74462495, 148924990, 297849980, 372312475, 744624950, 1489249900]

約数ペア:

[(1, 1489249900), (2, 744624950), (4, 372312475), (5, 297849980), (10, 148924990), (20, 74462495), (25, 59569996), (50, 29784998), (100, 14892499), (181, 8227900), (362, 4113950), (724, 2056975), (905, 1645580), (1810, 822790), (3620, 411395), (4525, 329116), (9050, 164558), (18100, 82279)]