74943340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 161663040

約数和(自身を除く): 86719700

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 593, 710, 890, 1186, 1420, 1780, 2372, 2965, 5930, 6319, 11860, 12638, 25276, 31595, 42103, 52777, 63190, 84206, 105554, 126380, 168412, 210515, 211108, 263885, 421030, 527770, 842060, 1055540, 3747167, 7494334, 14988668, 18735835, 37471670, 74943340]

約数ペア:

[(1, 74943340), (2, 37471670), (4, 18735835), (5, 14988668), (10, 7494334), (20, 3747167), (71, 1055540), (89, 842060), (142, 527770), (178, 421030), (284, 263885), (355, 211108), (356, 210515), (445, 168412), (593, 126380), (710, 105554), (890, 84206), (1186, 63190), (1420, 52777), (1780, 42103), (2372, 31595), (2965, 25276), (5930, 12638), (6319, 11860)]