255397290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21773}}^1$

素因数の和:21823

約数の個数: 64

約数和(自身を含む): 677258496

約数和(自身を除く): 421861206

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 3910, 5865, 11730, 21773, 43546, 65319, 108865, 130638, 217730, 326595, 370141, 500779, 653190, 740282, 1001558, 1110423, 1502337, 1850705, 2220846, 2503895, 3004674, 3701410, 5007790, 5552115, 7511685, 8513243, 11104230, 15023370, 17026486, 25539729, 42566215, 51079458, 85132430, 127698645, 255397290]

約数ペア:

[(1, 255397290), (2, 127698645), (3, 85132430), (5, 51079458), (6, 42566215), (10, 25539729), (15, 17026486), (17, 15023370), (23, 11104230), (30, 8513243), (34, 7511685), (46, 5552115), (51, 5007790), (69, 3701410), (85, 3004674), (102, 2503895), (115, 2220846), (138, 1850705), (170, 1502337), (230, 1110423), (255, 1001558), (345, 740282), (391, 653190), (510, 500779), (690, 370141), (782, 326595), (1173, 217730), (1955, 130638), (2346, 108865), (3910, 65319), (5865, 43546), (11730, 21773)]