198190400

素因数分解:

$2^6\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1396

約数の個数: 84

約数和(自身を含む): 493085628

約数和(自身を除く): 294895228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 160, 194, 200, 320, 388, 400, 485, 776, 800, 970, 1277, 1552, 1600, 1940, 2425, 2554, 3104, 3880, 4850, 5108, 6208, 6385, 7760, 9700, 10216, 12770, 15520, 19400, 20432, 25540, 31040, 31925, 38800, 40864, 51080, 63850, 77600, 81728, 102160, 123869, 127700, 155200, 204320, 247738, 255400, 408640, 495476, 510800, 619345, 990952, 1021600, 1238690, 1981904, 2043200, 2477380, 3096725, 3963808, 4954760, 6193450, 7927616, 9909520, 12386900, 19819040, 24773800, 39638080, 49547600, 99095200, 198190400]

約数ペア:

[(1, 198190400), (2, 99095200), (4, 49547600), (5, 39638080), (8, 24773800), (10, 19819040), (16, 12386900), (20, 9909520), (25, 7927616), (32, 6193450), (40, 4954760), (50, 3963808), (64, 3096725), (80, 2477380), (97, 2043200), (100, 1981904), (160, 1238690), (194, 1021600), (200, 990952), (320, 619345), (388, 510800), (400, 495476), (485, 408640), (776, 255400), (800, 247738), (970, 204320), (1277, 155200), (1552, 127700), (1600, 123869), (1940, 102160), (2425, 81728), (2554, 77600), (3104, 63850), (3880, 51080), (4850, 40864), (5108, 38800), (6208, 31925), (6385, 31040), (7760, 25540), (9700, 20432), (10216, 19400), (12770, 15520)]