5207140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 11733120

約数和(自身を除く): 6525980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 193, 284, 355, 380, 386, 710, 772, 965, 1349, 1420, 1930, 2698, 3667, 3860, 5396, 6745, 7334, 13490, 13703, 14668, 18335, 26980, 27406, 36670, 54812, 68515, 73340, 137030, 260357, 274060, 520714, 1041428, 1301785, 2603570, 5207140]

約数ペア:

[(1, 5207140), (2, 2603570), (4, 1301785), (5, 1041428), (10, 520714), (19, 274060), (20, 260357), (38, 137030), (71, 73340), (76, 68515), (95, 54812), (142, 36670), (190, 27406), (193, 26980), (284, 18335), (355, 14668), (380, 13703), (386, 13490), (710, 7334), (772, 6745), (965, 5396), (1349, 3860), (1420, 3667), (1930, 2698)]