1490392020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1910759}}^1$

素因数の和:1910784

約数の個数: 48

約数和(自身を含む): 4494107520

約数和(自身を除く): 3003715500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1910759, 3821518, 5732277, 7643036, 9553795, 11464554, 19107590, 22929108, 24839867, 28661385, 38215180, 49679734, 57322770, 74519601, 99359468, 114645540, 124199335, 149039202, 248398670, 298078404, 372598005, 496797340, 745196010, 1490392020]

約数ペア:

[(1, 1490392020), (2, 745196010), (3, 496797340), (4, 372598005), (5, 298078404), (6, 248398670), (10, 149039202), (12, 124199335), (13, 114645540), (15, 99359468), (20, 74519601), (26, 57322770), (30, 49679734), (39, 38215180), (52, 28661385), (60, 24839867), (65, 22929108), (78, 19107590), (130, 11464554), (156, 9553795), (195, 7643036), (260, 5732277), (390, 3821518), (780, 1910759)]