13810020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 44706816

約数和(自身を除く): 30896796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 251, 262, 393, 420, 502, 524, 655, 753, 786, 917, 1004, 1255, 1310, 1506, 1572, 1757, 1834, 1965, 2510, 2620, 2751, 3012, 3514, 3668, 3765, 3930, 4585, 5020, 5271, 5502, 7028, 7530, 7860, 8785, 9170, 10542, 11004, 13755, 15060, 17570, 18340, 21084, 26355, 27510, 32881, 35140, 52710, 55020, 65762, 98643, 105420, 131524, 164405, 197286, 230167, 328810, 394572, 460334, 493215, 657620, 690501, 920668, 986430, 1150835, 1381002, 1972860, 2301670, 2762004, 3452505, 4603340, 6905010, 13810020]

約数ペア:

[(1, 13810020), (2, 6905010), (3, 4603340), (4, 3452505), (5, 2762004), (6, 2301670), (7, 1972860), (10, 1381002), (12, 1150835), (14, 986430), (15, 920668), (20, 690501), (21, 657620), (28, 493215), (30, 460334), (35, 394572), (42, 328810), (60, 230167), (70, 197286), (84, 164405), (105, 131524), (131, 105420), (140, 98643), (210, 65762), (251, 55020), (262, 52710), (393, 35140), (420, 32881), (502, 27510), (524, 26355), (655, 21084), (753, 18340), (786, 17570), (917, 15060), (1004, 13755), (1255, 11004), (1310, 10542), (1506, 9170), (1572, 8785), (1757, 7860), (1834, 7530), (1965, 7028), (2510, 5502), (2620, 5271), (2751, 5020), (3012, 4585), (3514, 3930), (3668, 3765)]