890363908

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 1850083200

約数和(自身を除く): 959719292

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 229, 239, 332, 458, 478, 581, 916, 956, 1162, 1603, 1673, 2324, 3206, 3346, 4067, 6412, 6692, 8134, 11221, 11711, 16268, 19007, 19837, 22442, 23422, 38014, 39674, 44884, 46844, 54731, 76028, 79348, 109462, 133049, 138859, 218924, 266098, 277718, 383117, 532196, 555436, 766234, 931343, 972013, 1532468, 1862686, 1944026, 2681819, 3725372, 3888052, 4542673, 5363638, 9085346, 10727276, 18170692, 31798711, 63597422, 127194844, 222590977, 445181954, 890363908]

約数ペア:

[(1, 890363908), (2, 445181954), (4, 222590977), (7, 127194844), (14, 63597422), (28, 31798711), (49, 18170692), (83, 10727276), (98, 9085346), (166, 5363638), (196, 4542673), (229, 3888052), (239, 3725372), (332, 2681819), (458, 1944026), (478, 1862686), (581, 1532468), (916, 972013), (956, 931343), (1162, 766234), (1603, 555436), (1673, 532196), (2324, 383117), (3206, 277718), (3346, 266098), (4067, 218924), (6412, 138859), (6692, 133049), (8134, 109462), (11221, 79348), (11711, 76028), (16268, 54731), (19007, 46844), (19837, 44884), (22442, 39674), (23422, 38014)]