895001540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{3319}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 1913116800

約数和(自身を除く): 1018115260

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 278, 388, 485, 556, 695, 970, 1390, 1940, 2780, 3319, 6638, 13276, 13483, 16595, 26966, 33190, 53932, 66380, 67415, 134830, 269660, 321943, 461341, 643886, 922682, 1287772, 1609715, 1845364, 2306705, 3219430, 4613410, 6438860, 9226820, 44750077, 89500154, 179000308, 223750385, 447500770, 895001540]

約数ペア:

[(1, 895001540), (2, 447500770), (4, 223750385), (5, 179000308), (10, 89500154), (20, 44750077), (97, 9226820), (139, 6438860), (194, 4613410), (278, 3219430), (388, 2306705), (485, 1845364), (556, 1609715), (695, 1287772), (970, 922682), (1390, 643886), (1940, 461341), (2780, 321943), (3319, 269660), (6638, 134830), (13276, 67415), (13483, 66380), (16595, 53932), (26966, 33190)]