145123400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 353548800

約数和(自身を除く): 208425400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 89, 100, 124, 155, 178, 200, 248, 263, 310, 356, 445, 526, 620, 712, 775, 890, 1052, 1240, 1315, 1550, 1780, 2104, 2225, 2630, 2759, 3100, 3560, 4450, 5260, 5518, 6200, 6575, 8153, 8900, 10520, 11036, 13150, 13795, 16306, 17800, 22072, 23407, 26300, 27590, 32612, 40765, 46814, 52600, 55180, 65224, 68975, 81530, 93628, 110360, 117035, 137950, 163060, 187256, 203825, 234070, 275900, 326120, 407650, 468140, 551800, 585175, 725617, 815300, 936280, 1170350, 1451234, 1630600, 2340700, 2902468, 3628085, 4681400, 5804936, 7256170, 14512340, 18140425, 29024680, 36280850, 72561700, 145123400]

約数ペア:

[(1, 145123400), (2, 72561700), (4, 36280850), (5, 29024680), (8, 18140425), (10, 14512340), (20, 7256170), (25, 5804936), (31, 4681400), (40, 3628085), (50, 2902468), (62, 2340700), (89, 1630600), (100, 1451234), (124, 1170350), (155, 936280), (178, 815300), (200, 725617), (248, 585175), (263, 551800), (310, 468140), (356, 407650), (445, 326120), (526, 275900), (620, 234070), (712, 203825), (775, 187256), (890, 163060), (1052, 137950), (1240, 117035), (1315, 110360), (1550, 93628), (1780, 81530), (2104, 68975), (2225, 65224), (2630, 55180), (2759, 52600), (3100, 46814), (3560, 40765), (4450, 32612), (5260, 27590), (5518, 26300), (6200, 23407), (6575, 22072), (8153, 17800), (8900, 16306), (10520, 13795), (11036, 13150)]