213492740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 492791040

約数和(自身を除く): 279298300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 71, 76, 82, 95, 142, 164, 190, 193, 205, 284, 355, 380, 386, 410, 710, 772, 779, 820, 965, 1349, 1420, 1558, 1930, 2698, 2911, 3116, 3667, 3860, 3895, 5396, 5822, 6745, 7334, 7790, 7913, 11644, 13490, 13703, 14555, 14668, 15580, 15826, 18335, 26980, 27406, 29110, 31652, 36670, 39565, 54812, 55309, 58220, 68515, 73340, 79130, 110618, 137030, 150347, 158260, 221236, 260357, 274060, 276545, 300694, 520714, 553090, 561823, 601388, 751735, 1041428, 1106180, 1123646, 1301785, 1503470, 2247292, 2603570, 2809115, 3006940, 5207140, 5618230, 10674637, 11236460, 21349274, 42698548, 53373185, 106746370, 213492740]

約数ペア:

[(1, 213492740), (2, 106746370), (4, 53373185), (5, 42698548), (10, 21349274), (19, 11236460), (20, 10674637), (38, 5618230), (41, 5207140), (71, 3006940), (76, 2809115), (82, 2603570), (95, 2247292), (142, 1503470), (164, 1301785), (190, 1123646), (193, 1106180), (205, 1041428), (284, 751735), (355, 601388), (380, 561823), (386, 553090), (410, 520714), (710, 300694), (772, 276545), (779, 274060), (820, 260357), (965, 221236), (1349, 158260), (1420, 150347), (1558, 137030), (1930, 110618), (2698, 79130), (2911, 73340), (3116, 68515), (3667, 58220), (3860, 55309), (3895, 54812), (5396, 39565), (5822, 36670), (6745, 31652), (7334, 29110), (7790, 27406), (7913, 26980), (11644, 18335), (13490, 15826), (13703, 15580), (14555, 14668)]