276869680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111641}}^1$

素因数の和:111685

約数の個数: 40

約数和(自身を含む): 664493184

約数和(自身を除く): 387623504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 111641, 223282, 446564, 558205, 893128, 1116410, 1786256, 2232820, 3460871, 4465640, 6921742, 8931280, 13843484, 17304355, 27686968, 34608710, 55373936, 69217420, 138434840, 276869680]

約数ペア:

[(1, 276869680), (2, 138434840), (4, 69217420), (5, 55373936), (8, 34608710), (10, 27686968), (16, 17304355), (20, 13843484), (31, 8931280), (40, 6921742), (62, 4465640), (80, 3460871), (124, 2232820), (155, 1786256), (248, 1116410), (310, 893128), (496, 558205), (620, 446564), (1240, 223282), (2480, 111641)]