16445380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 40822488

約数和(自身を除く): 24377108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 173, 194, 196, 245, 346, 388, 485, 490, 679, 692, 865, 970, 980, 1211, 1358, 1730, 1940, 2422, 2716, 3395, 3460, 4753, 4844, 6055, 6790, 8477, 9506, 12110, 13580, 16781, 16954, 19012, 23765, 24220, 33562, 33908, 42385, 47530, 67124, 83905, 84770, 95060, 117467, 167810, 169540, 234934, 335620, 469868, 587335, 822269, 1174670, 1644538, 2349340, 3289076, 4111345, 8222690, 16445380]

約数ペア:

[(1, 16445380), (2, 8222690), (4, 4111345), (5, 3289076), (7, 2349340), (10, 1644538), (14, 1174670), (20, 822269), (28, 587335), (35, 469868), (49, 335620), (70, 234934), (97, 169540), (98, 167810), (140, 117467), (173, 95060), (194, 84770), (196, 83905), (245, 67124), (346, 47530), (388, 42385), (485, 33908), (490, 33562), (679, 24220), (692, 23765), (865, 19012), (970, 16954), (980, 16781), (1211, 13580), (1358, 12110), (1730, 9506), (1940, 8477), (2422, 6790), (2716, 6055), (3395, 4844), (3460, 4753)]