209216496680

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{839}}^1\times {\mathrm{13523}}^1$

素因数の和:14834

約数の個数: 64

約数和(自身を含む): 472355452800

約数和(自身を除く): 263138956120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 839, 922, 1678, 1844, 2305, 3356, 3688, 4195, 4610, 6712, 8390, 9220, 13523, 16780, 18440, 27046, 33560, 54092, 67615, 108184, 135230, 270460, 386779, 540920, 773558, 1547116, 1933895, 3094232, 3867790, 6234103, 7735580, 11345797, 12468206, 15471160, 22691594, 24936412, 31170515, 45383188, 49872824, 56728985, 62341030, 90766376, 113457970, 124682060, 226915940, 249364120, 453831880, 5230412417, 10460824834, 20921649668, 26152062085, 41843299336, 52304124170, 104608248340, 209216496680]

約数ペア:

[(1, 209216496680), (2, 104608248340), (4, 52304124170), (5, 41843299336), (8, 26152062085), (10, 20921649668), (20, 10460824834), (40, 5230412417), (461, 453831880), (839, 249364120), (922, 226915940), (1678, 124682060), (1844, 113457970), (2305, 90766376), (3356, 62341030), (3688, 56728985), (4195, 49872824), (4610, 45383188), (6712, 31170515), (8390, 24936412), (9220, 22691594), (13523, 15471160), (16780, 12468206), (18440, 11345797), (27046, 7735580), (33560, 6234103), (54092, 3867790), (67615, 3094232), (108184, 1933895), (135230, 1547116), (270460, 773558), (386779, 540920)]