291265240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17053}}^1$

素因数の和:17132

約数の個数: 64

約数和(自身を含む): 761290560

約数和(自身を除く): 470025320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17053, 17080, 34106, 68212, 85265, 119371, 136424, 170530, 238742, 341060, 477484, 596855, 682120, 954968, 1040233, 1193710, 2080466, 2387420, 4160932, 4774840, 5201165, 7281631, 8321864, 10402330, 14563262, 20804660, 29126524, 36408155, 41609320, 58253048, 72816310, 145632620, 291265240]

約数ペア:

[(1, 291265240), (2, 145632620), (4, 72816310), (5, 58253048), (7, 41609320), (8, 36408155), (10, 29126524), (14, 20804660), (20, 14563262), (28, 10402330), (35, 8321864), (40, 7281631), (56, 5201165), (61, 4774840), (70, 4160932), (122, 2387420), (140, 2080466), (244, 1193710), (280, 1040233), (305, 954968), (427, 682120), (488, 596855), (610, 477484), (854, 341060), (1220, 238742), (1708, 170530), (2135, 136424), (2440, 119371), (3416, 85265), (4270, 68212), (8540, 34106), (17053, 17080)]