207326840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 547268400

約数和(自身を除く): 339941560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 278, 280, 392, 490, 556, 695, 761, 973, 980, 1112, 1390, 1522, 1946, 1960, 2780, 3044, 3805, 3892, 4865, 5327, 5560, 6088, 6811, 7610, 7784, 9730, 10654, 13622, 15220, 19460, 21308, 26635, 27244, 30440, 34055, 37289, 38920, 42616, 53270, 54488, 68110, 74578, 105779, 106540, 136220, 149156, 186445, 211558, 213080, 272440, 298312, 372890, 423116, 528895, 740453, 745780, 846232, 1057790, 1480906, 1491560, 2115580, 2961812, 3702265, 4231160, 5183171, 5923624, 7404530, 10366342, 14809060, 20732684, 25915855, 29618120, 41465368, 51831710, 103663420, 207326840]

約数ペア:

[(1, 207326840), (2, 103663420), (4, 51831710), (5, 41465368), (7, 29618120), (8, 25915855), (10, 20732684), (14, 14809060), (20, 10366342), (28, 7404530), (35, 5923624), (40, 5183171), (49, 4231160), (56, 3702265), (70, 2961812), (98, 2115580), (139, 1491560), (140, 1480906), (196, 1057790), (245, 846232), (278, 745780), (280, 740453), (392, 528895), (490, 423116), (556, 372890), (695, 298312), (761, 272440), (973, 213080), (980, 211558), (1112, 186445), (1390, 149156), (1522, 136220), (1946, 106540), (1960, 105779), (2780, 74578), (3044, 68110), (3805, 54488), (3892, 53270), (4865, 42616), (5327, 38920), (5560, 37289), (6088, 34055), (6811, 30440), (7610, 27244), (7784, 26635), (9730, 21308), (10654, 19460), (13622, 15220)]