138735920

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2857}}^1$

素因数の和:3477

約数の個数: 40

約数和(自身を含む): 323205504

約数和(自身を除く): 184469584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 2428, 2857, 3035, 4856, 5714, 6070, 9712, 11428, 12140, 14285, 22856, 24280, 28570, 45712, 48560, 57140, 114280, 228560, 1734199, 3468398, 6936796, 8670995, 13873592, 17341990, 27747184, 34683980, 69367960, 138735920]

約数ペア:

[(1, 138735920), (2, 69367960), (4, 34683980), (5, 27747184), (8, 17341990), (10, 13873592), (16, 8670995), (20, 6936796), (40, 3468398), (80, 1734199), (607, 228560), (1214, 114280), (2428, 57140), (2857, 48560), (3035, 45712), (4856, 28570), (5714, 24280), (6070, 22856), (9712, 14285), (11428, 12140)]