228571990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{2741}}^1$

素因数の和:3048

約数の個数: 32

約数和(自身を含む): 426435840

約数和(自身を除く): 197863850

約数列:

[1, 2, 5, 10, 31, 62, 155, 269, 310, 538, 1345, 2690, 2741, 5482, 8339, 13705, 16678, 27410, 41695, 83390, 84971, 169942, 424855, 737329, 849710, 1474658, 3686645, 7373290, 22857199, 45714398, 114285995, 228571990]

約数ペア:

[(1, 228571990), (2, 114285995), (5, 45714398), (10, 22857199), (31, 7373290), (62, 3686645), (155, 1474658), (269, 849710), (310, 737329), (538, 424855), (1345, 169942), (2690, 84971), (2741, 83390), (5482, 41695), (8339, 27410), (13705, 16678)]