123961312

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 262747800

約数和(自身を除く): 138786488

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 139, 232, 248, 278, 464, 496, 556, 899, 928, 961, 992, 1112, 1798, 1922, 2224, 3596, 3844, 4031, 4309, 4448, 7192, 7688, 8062, 8618, 14384, 15376, 16124, 17236, 27869, 28768, 30752, 32248, 34472, 55738, 64496, 68944, 111476, 124961, 128992, 133579, 137888, 222952, 249922, 267158, 445904, 499844, 534316, 891808, 999688, 1068632, 1999376, 2137264, 3873791, 3998752, 4274528, 7747582, 15495164, 30990328, 61980656, 123961312]

約数ペア:

[(1, 123961312), (2, 61980656), (4, 30990328), (8, 15495164), (16, 7747582), (29, 4274528), (31, 3998752), (32, 3873791), (58, 2137264), (62, 1999376), (116, 1068632), (124, 999688), (139, 891808), (232, 534316), (248, 499844), (278, 445904), (464, 267158), (496, 249922), (556, 222952), (899, 137888), (928, 133579), (961, 128992), (992, 124961), (1112, 111476), (1798, 68944), (1922, 64496), (2224, 55738), (3596, 34472), (3844, 32248), (4031, 30752), (4309, 28768), (4448, 27869), (7192, 17236), (7688, 16124), (8062, 15376), (8618, 14384)]