2309777720

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{1867}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 5259466080

約数和(自身を除く): 2949688360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 197, 314, 394, 628, 785, 788, 985, 1256, 1570, 1576, 1867, 1970, 3140, 3734, 3940, 6280, 7468, 7880, 9335, 14936, 18670, 30929, 37340, 61858, 74680, 123716, 154645, 247432, 293119, 309290, 367799, 586238, 618580, 735598, 1172476, 1237160, 1465595, 1471196, 1838995, 2344952, 2931190, 2942392, 3677990, 5862380, 7355980, 11724760, 14711960, 57744443, 115488886, 230977772, 288722215, 461955544, 577444430, 1154888860, 2309777720]

約数ペア:

[(1, 2309777720), (2, 1154888860), (4, 577444430), (5, 461955544), (8, 288722215), (10, 230977772), (20, 115488886), (40, 57744443), (157, 14711960), (197, 11724760), (314, 7355980), (394, 5862380), (628, 3677990), (785, 2942392), (788, 2931190), (985, 2344952), (1256, 1838995), (1570, 1471196), (1576, 1465595), (1867, 1237160), (1970, 1172476), (3140, 735598), (3734, 618580), (3940, 586238), (6280, 367799), (7468, 309290), (7880, 293119), (9335, 247432), (14936, 154645), (18670, 123716), (30929, 74680), (37340, 61858)]