291217040

素因数分解:

$2^4\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3001}}^1$

素因数の和:4227

約数の個数: 40

約数和(自身を含む): 677863608

約数和(自身を除く): 386646568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1213, 2426, 3001, 4852, 6002, 6065, 9704, 12004, 12130, 15005, 19408, 24008, 24260, 30010, 48016, 48520, 60020, 97040, 120040, 240080, 3640213, 7280426, 14560852, 18201065, 29121704, 36402130, 58243408, 72804260, 145608520, 291217040]

約数ペア:

[(1, 291217040), (2, 145608520), (4, 72804260), (5, 58243408), (8, 36402130), (10, 29121704), (16, 18201065), (20, 14560852), (40, 7280426), (80, 3640213), (1213, 240080), (2426, 120040), (3001, 97040), (4852, 60020), (6002, 48520), (6065, 48016), (9704, 30010), (12004, 24260), (12130, 24008), (15005, 19408)]