77538580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 193536000

約数和(自身を除く): 115997420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 127, 140, 178, 196, 245, 254, 343, 356, 445, 490, 508, 623, 635, 686, 889, 890, 980, 1246, 1270, 1372, 1715, 1778, 1780, 2492, 2540, 3115, 3430, 3556, 4361, 4445, 6223, 6230, 6860, 8722, 8890, 11303, 12446, 12460, 17444, 17780, 21805, 22606, 24892, 30527, 31115, 43561, 43610, 45212, 56515, 61054, 62230, 79121, 87122, 87220, 113030, 122108, 124460, 152635, 158242, 174244, 217805, 226060, 305270, 316484, 395605, 435610, 553847, 610540, 791210, 871220, 1107694, 1582420, 2215388, 2769235, 3876929, 5538470, 7753858, 11076940, 15507716, 19384645, 38769290, 77538580]

約数ペア:

[(1, 77538580), (2, 38769290), (4, 19384645), (5, 15507716), (7, 11076940), (10, 7753858), (14, 5538470), (20, 3876929), (28, 2769235), (35, 2215388), (49, 1582420), (70, 1107694), (89, 871220), (98, 791210), (127, 610540), (140, 553847), (178, 435610), (196, 395605), (245, 316484), (254, 305270), (343, 226060), (356, 217805), (445, 174244), (490, 158242), (508, 152635), (623, 124460), (635, 122108), (686, 113030), (889, 87220), (890, 87122), (980, 79121), (1246, 62230), (1270, 61054), (1372, 56515), (1715, 45212), (1778, 43610), (1780, 43561), (2492, 31115), (2540, 30527), (3115, 24892), (3430, 22606), (3556, 21805), (4361, 17780), (4445, 17444), (6223, 12460), (6230, 12446), (6860, 11303), (8722, 8890)]