217455700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 607961088

約数和(自身を除く): 390505388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 275, 308, 310, 341, 350, 385, 434, 550, 620, 682, 700, 770, 775, 868, 911, 1085, 1100, 1364, 1540, 1550, 1705, 1822, 1925, 2170, 2387, 3100, 3410, 3644, 3850, 4340, 4555, 4774, 5425, 6377, 6820, 7700, 8525, 9110, 9548, 10021, 10850, 11935, 12754, 17050, 18220, 20042, 21700, 22775, 23870, 25508, 28241, 31885, 34100, 40084, 45550, 47740, 50105, 56482, 59675, 63770, 70147, 91100, 100210, 112964, 119350, 127540, 140294, 141205, 159425, 197687, 200420, 238700, 250525, 280588, 282410, 310651, 318850, 350735, 395374, 501050, 564820, 621302, 637700, 701470, 706025, 790748, 988435, 1002100, 1242604, 1402940, 1412050, 1553255, 1753675, 1976870, 2174557, 2824100, 3106510, 3507350, 3953740, 4349114, 4942175, 6213020, 7014700, 7766275, 8698228, 9884350, 10872785, 15532550, 19768700, 21745570, 31065100, 43491140, 54363925, 108727850, 217455700]

約数ペア:

[(1, 217455700), (2, 108727850), (4, 54363925), (5, 43491140), (7, 31065100), (10, 21745570), (11, 19768700), (14, 15532550), (20, 10872785), (22, 9884350), (25, 8698228), (28, 7766275), (31, 7014700), (35, 6213020), (44, 4942175), (50, 4349114), (55, 3953740), (62, 3507350), (70, 3106510), (77, 2824100), (100, 2174557), (110, 1976870), (124, 1753675), (140, 1553255), (154, 1412050), (155, 1402940), (175, 1242604), (217, 1002100), (220, 988435), (275, 790748), (308, 706025), (310, 701470), (341, 637700), (350, 621302), (385, 564820), (434, 501050), (550, 395374), (620, 350735), (682, 318850), (700, 310651), (770, 282410), (775, 280588), (868, 250525), (911, 238700), (1085, 200420), (1100, 197687), (1364, 159425), (1540, 141205), (1550, 140294), (1705, 127540), (1822, 119350), (1925, 112964), (2170, 100210), (2387, 91100), (3100, 70147), (3410, 63770), (3644, 59675), (3850, 56482), (4340, 50105), (4555, 47740), (4774, 45550), (5425, 40084), (6377, 34100), (6820, 31885), (7700, 28241), (8525, 25508), (9110, 23870), (9548, 22775), (10021, 21700), (10850, 20042), (11935, 18220), (12754, 17050)]