56128900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 130444776

約数和(自身を除く): 74315876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 137, 170, 241, 274, 340, 425, 482, 548, 685, 850, 964, 1205, 1370, 1700, 2329, 2410, 2740, 3425, 4097, 4658, 4820, 6025, 6850, 8194, 9316, 11645, 12050, 13700, 16388, 20485, 23290, 24100, 33017, 40970, 46580, 58225, 66034, 81940, 102425, 116450, 132068, 165085, 204850, 232900, 330170, 409700, 561289, 660340, 825425, 1122578, 1650850, 2245156, 2806445, 3301700, 5612890, 11225780, 14032225, 28064450, 56128900]

約数ペア:

[(1, 56128900), (2, 28064450), (4, 14032225), (5, 11225780), (10, 5612890), (17, 3301700), (20, 2806445), (25, 2245156), (34, 1650850), (50, 1122578), (68, 825425), (85, 660340), (100, 561289), (137, 409700), (170, 330170), (241, 232900), (274, 204850), (340, 165085), (425, 132068), (482, 116450), (548, 102425), (685, 81940), (850, 66034), (964, 58225), (1205, 46580), (1370, 40970), (1700, 33017), (2329, 24100), (2410, 23290), (2740, 20485), (3425, 16388), (4097, 13700), (4658, 12050), (4820, 11645), (6025, 9316), (6850, 8194)]