2149553960

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1\times {\mathrm{617}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 4877651520

約数和(自身を除く): 2728097560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 347, 502, 617, 694, 1004, 1234, 1255, 1388, 1735, 2008, 2468, 2510, 2776, 3085, 3470, 4936, 5020, 6170, 6940, 10040, 12340, 13880, 24680, 87097, 154867, 174194, 214099, 309734, 348388, 428198, 435485, 619468, 696776, 774335, 856396, 870970, 1070495, 1238936, 1548670, 1712792, 1741940, 2140990, 3097340, 3483880, 4281980, 6194680, 8563960, 53738849, 107477698, 214955396, 268694245, 429910792, 537388490, 1074776980, 2149553960]

約数ペア:

[(1, 2149553960), (2, 1074776980), (4, 537388490), (5, 429910792), (8, 268694245), (10, 214955396), (20, 107477698), (40, 53738849), (251, 8563960), (347, 6194680), (502, 4281980), (617, 3483880), (694, 3097340), (1004, 2140990), (1234, 1741940), (1255, 1712792), (1388, 1548670), (1735, 1238936), (2008, 1070495), (2468, 870970), (2510, 856396), (2776, 774335), (3085, 696776), (3470, 619468), (4936, 435485), (5020, 428198), (6170, 348388), (6940, 309734), (10040, 214099), (12340, 174194), (13880, 154867), (24680, 87097)]