2009576375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 2778572160

約数和(自身を除く): 768995785

約数列:

[1, 5, 17, 25, 37, 61, 85, 125, 185, 305, 419, 425, 629, 925, 1037, 1525, 2095, 2125, 2257, 3145, 4625, 5185, 7123, 7625, 10475, 11285, 15503, 15725, 25559, 25925, 35615, 38369, 52375, 56425, 77515, 78625, 127795, 129625, 178075, 191845, 263551, 282125, 387575, 434503, 638975, 890375, 945683, 959225, 1317755, 1937875, 2172515, 3194875, 4728415, 4796125, 6588775, 10862575, 16076611, 23642075, 32943875, 54312875, 80383055, 118210375, 401915275, 2009576375]

約数ペア:

[(1, 2009576375), (5, 401915275), (17, 118210375), (25, 80383055), (37, 54312875), (61, 32943875), (85, 23642075), (125, 16076611), (185, 10862575), (305, 6588775), (419, 4796125), (425, 4728415), (629, 3194875), (925, 2172515), (1037, 1937875), (1525, 1317755), (2095, 959225), (2125, 945683), (2257, 890375), (3145, 638975), (4625, 434503), (5185, 387575), (7123, 282125), (7625, 263551), (10475, 191845), (11285, 178075), (15503, 129625), (15725, 127795), (25559, 78625), (25925, 77515), (35615, 56425), (38369, 52375)]