74890172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 163860480

約数和(自身を除く): 88970308

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 239, 266, 361, 434, 478, 532, 589, 722, 868, 956, 1178, 1444, 1673, 2356, 2527, 3346, 4123, 4541, 5054, 6692, 7409, 8246, 9082, 10108, 11191, 14818, 16492, 18164, 22382, 29636, 31787, 44764, 51863, 63574, 78337, 86279, 103726, 127148, 140771, 156674, 172558, 207452, 281542, 313348, 345116, 563084, 603953, 985397, 1207906, 1970794, 2415812, 2674649, 3941588, 5349298, 10698596, 18722543, 37445086, 74890172]

約数ペア:

[(1, 74890172), (2, 37445086), (4, 18722543), (7, 10698596), (14, 5349298), (19, 3941588), (28, 2674649), (31, 2415812), (38, 1970794), (62, 1207906), (76, 985397), (124, 603953), (133, 563084), (217, 345116), (239, 313348), (266, 281542), (361, 207452), (434, 172558), (478, 156674), (532, 140771), (589, 127148), (722, 103726), (868, 86279), (956, 78337), (1178, 63574), (1444, 51863), (1673, 44764), (2356, 31787), (2527, 29636), (3346, 22382), (4123, 18164), (4541, 16492), (5054, 14818), (6692, 11191), (7409, 10108), (8246, 9082)]