2019913475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 2699827200

約数和(自身を除く): 679913725

約数列:

[1, 5, 23, 25, 53, 79, 115, 265, 395, 575, 839, 1219, 1325, 1817, 1975, 4187, 4195, 6095, 9085, 19297, 20935, 20975, 30475, 44467, 45425, 66281, 96301, 96485, 104675, 222335, 331405, 481505, 482425, 1022741, 1111675, 1524463, 1657025, 2407525, 3512893, 5113705, 7622315, 17564465, 25568525, 38111575, 80796539, 87822325, 403982695, 2019913475]

約数ペア:

[(1, 2019913475), (5, 403982695), (23, 87822325), (25, 80796539), (53, 38111575), (79, 25568525), (115, 17564465), (265, 7622315), (395, 5113705), (575, 3512893), (839, 2407525), (1219, 1657025), (1325, 1524463), (1817, 1111675), (1975, 1022741), (4187, 482425), (4195, 481505), (6095, 331405), (9085, 222335), (19297, 104675), (20935, 96485), (20975, 96301), (30475, 66281), (44467, 45425)]