219220904

素因数分解:

$2^3\times 7^4\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 488550420

約数和(自身を除く): 269329516

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 113, 196, 202, 226, 343, 392, 404, 452, 686, 707, 791, 808, 904, 1372, 1414, 1582, 2401, 2744, 2828, 3164, 4802, 4949, 5537, 5656, 6328, 9604, 9898, 11074, 11413, 19208, 19796, 22148, 22826, 34643, 38759, 39592, 44296, 45652, 69286, 77518, 79891, 91304, 138572, 155036, 159782, 242501, 271313, 277144, 310072, 319564, 485002, 542626, 559237, 639128, 970004, 1085252, 1118474, 1940008, 2170504, 2236948, 3914659, 4473896, 7829318, 15658636, 27402613, 31317272, 54805226, 109610452, 219220904]

約数ペア:

[(1, 219220904), (2, 109610452), (4, 54805226), (7, 31317272), (8, 27402613), (14, 15658636), (28, 7829318), (49, 4473896), (56, 3914659), (98, 2236948), (101, 2170504), (113, 1940008), (196, 1118474), (202, 1085252), (226, 970004), (343, 639128), (392, 559237), (404, 542626), (452, 485002), (686, 319564), (707, 310072), (791, 277144), (808, 271313), (904, 242501), (1372, 159782), (1414, 155036), (1582, 138572), (2401, 91304), (2744, 79891), (2828, 77518), (3164, 69286), (4802, 45652), (4949, 44296), (5537, 39592), (5656, 38759), (6328, 34643), (9604, 22826), (9898, 22148), (11074, 19796), (11413, 19208)]