109777720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 268621920

約数和(自身を除く): 158844200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 1973, 2140, 2782, 3946, 4280, 5564, 6955, 7892, 9865, 11128, 13910, 15784, 19730, 25649, 27820, 39460, 51298, 55640, 78920, 102596, 128245, 205192, 211111, 256490, 422222, 512980, 844444, 1025960, 1055555, 1688888, 2111110, 2744443, 4222220, 5488886, 8444440, 10977772, 13722215, 21955544, 27444430, 54888860, 109777720]

約数ペア:

[(1, 109777720), (2, 54888860), (4, 27444430), (5, 21955544), (8, 13722215), (10, 10977772), (13, 8444440), (20, 5488886), (26, 4222220), (40, 2744443), (52, 2111110), (65, 1688888), (104, 1055555), (107, 1025960), (130, 844444), (214, 512980), (260, 422222), (428, 256490), (520, 211111), (535, 205192), (856, 128245), (1070, 102596), (1391, 78920), (1973, 55640), (2140, 51298), (2782, 39460), (3946, 27820), (4280, 25649), (5564, 19730), (6955, 15784), (7892, 13910), (9865, 11128)]