165719710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 341006400

約数和(自身を除く): 175286690

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 397, 494, 794, 845, 1235, 1690, 1985, 2197, 2470, 3211, 3970, 4394, 5161, 6422, 7543, 10322, 10985, 15086, 16055, 21970, 25805, 32110, 37715, 41743, 51610, 67093, 75430, 83486, 98059, 134186, 196118, 208715, 335465, 417430, 490295, 670930, 872209, 980590, 1274767, 1744418, 2549534, 4361045, 6373835, 8722090, 12747670, 16571971, 33143942, 82859855, 165719710]

約数ペア:

[(1, 165719710), (2, 82859855), (5, 33143942), (10, 16571971), (13, 12747670), (19, 8722090), (26, 6373835), (38, 4361045), (65, 2549534), (95, 1744418), (130, 1274767), (169, 980590), (190, 872209), (247, 670930), (338, 490295), (397, 417430), (494, 335465), (794, 208715), (845, 196118), (1235, 134186), (1690, 98059), (1985, 83486), (2197, 75430), (2470, 67093), (3211, 51610), (3970, 41743), (4394, 37715), (5161, 32110), (6422, 25805), (7543, 21970), (10322, 16055), (10985, 15086)]