207988820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 502951680

約数和(自身を除く): 294962860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 71, 76, 95, 130, 142, 190, 247, 260, 284, 355, 380, 494, 593, 710, 923, 988, 1186, 1235, 1349, 1420, 1846, 2372, 2470, 2698, 2965, 3692, 4615, 4940, 5396, 5930, 6745, 7709, 9230, 11267, 11860, 13490, 15418, 17537, 18460, 22534, 26980, 30836, 35074, 38545, 42103, 45068, 56335, 70148, 77090, 84206, 87685, 112670, 146471, 154180, 168412, 175370, 210515, 225340, 292942, 350740, 421030, 547339, 585884, 732355, 799957, 842060, 1094678, 1464710, 1599914, 2189356, 2736695, 2929420, 3199828, 3999785, 5473390, 7999570, 10399441, 10946780, 15999140, 20798882, 41597764, 51997205, 103994410, 207988820]

約数ペア:

[(1, 207988820), (2, 103994410), (4, 51997205), (5, 41597764), (10, 20798882), (13, 15999140), (19, 10946780), (20, 10399441), (26, 7999570), (38, 5473390), (52, 3999785), (65, 3199828), (71, 2929420), (76, 2736695), (95, 2189356), (130, 1599914), (142, 1464710), (190, 1094678), (247, 842060), (260, 799957), (284, 732355), (355, 585884), (380, 547339), (494, 421030), (593, 350740), (710, 292942), (923, 225340), (988, 210515), (1186, 175370), (1235, 168412), (1349, 154180), (1420, 146471), (1846, 112670), (2372, 87685), (2470, 84206), (2698, 77090), (2965, 70148), (3692, 56335), (4615, 45068), (4940, 42103), (5396, 38545), (5930, 35074), (6745, 30836), (7709, 26980), (9230, 22534), (11267, 18460), (11860, 17537), (13490, 15418)]