1128998780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{620329}}^1$

素因数の和:620358

約数の個数: 48

約数和(自身を含む): 2918032320

約数和(自身を除く): 1789033540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 620329, 1240658, 2481316, 3101645, 4342303, 6203290, 8064277, 8684606, 12406580, 16128554, 17369212, 21711515, 32257108, 40321385, 43423030, 56449939, 80642770, 86846060, 112899878, 161285540, 225799756, 282249695, 564499390, 1128998780]

約数ペア:

[(1, 1128998780), (2, 564499390), (4, 282249695), (5, 225799756), (7, 161285540), (10, 112899878), (13, 86846060), (14, 80642770), (20, 56449939), (26, 43423030), (28, 40321385), (35, 32257108), (52, 21711515), (65, 17369212), (70, 16128554), (91, 12406580), (130, 8684606), (140, 8064277), (182, 6203290), (260, 4342303), (364, 3101645), (455, 2481316), (910, 1240658), (1820, 620329)]