72561700

素因数分解:

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

素因数の和:397

約数の個数: 72

約数和(自身を含む): 164989440

約数和(自身を除く): 92427740

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 89, 100, 124, 155, 178, 263, 310, 356, 445, 526, 620, 775, 890, 1052, 1315, 1550, 1780, 2225, 2630, 2759, 3100, 4450, 5260, 5518, 6575, 8153, 8900, 11036, 13150, 13795, 16306, 23407, 26300, 27590, 32612, 40765, 46814, 55180, 68975, 81530, 93628, 117035, 137950, 163060, 203825, 234070, 275900, 407650, 468140, 585175, 725617, 815300, 1170350, 1451234, 2340700, 2902468, 3628085, 7256170, 14512340, 18140425, 36280850, 72561700]

約数ペア:

[(1, 72561700), (2, 36280850), (4, 18140425), (5, 14512340), (10, 7256170), (20, 3628085), (25, 2902468), (31, 2340700), (50, 1451234), (62, 1170350), (89, 815300), (100, 725617), (124, 585175), (155, 468140), (178, 407650), (263, 275900), (310, 234070), (356, 203825), (445, 163060), (526, 137950), (620, 117035), (775, 93628), (890, 81530), (1052, 68975), (1315, 55180), (1550, 46814), (1780, 40765), (2225, 32612), (2630, 27590), (2759, 26300), (3100, 23407), (4450, 16306), (5260, 13795), (5518, 13150), (6575, 11036), (8153, 8900)]