897707720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 2548765440

約数和(自身を除く): 1651057720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 169, 182, 244, 260, 280, 305, 311, 338, 364, 427, 455, 488, 520, 610, 622, 676, 728, 793, 845, 854, 910, 1183, 1220, 1244, 1352, 1555, 1586, 1690, 1708, 1820, 2135, 2177, 2366, 2440, 2488, 3110, 3172, 3380, 3416, 3640, 3965, 4043, 4270, 4354, 4732, 5551, 5915, 6220, 6344, 6760, 7930, 8086, 8540, 8708, 9464, 10309, 10885, 11102, 11830, 12440, 15860, 16172, 17080, 17416, 18971, 20215, 20618, 21770, 22204, 23660, 27755, 28301, 31720, 32344, 37942, 40430, 41236, 43540, 44408, 47320, 51545, 52559, 55510, 56602, 72163, 75884, 80860, 82472, 87080, 94855, 103090, 105118, 111020, 113204, 132797, 141505, 144326, 151768, 161720, 189710, 206180, 210236, 222040, 226408, 246623, 262795, 265594, 283010, 288652, 360815, 367913, 379420, 412360, 420472, 493246, 525590, 531188, 566020, 577304, 663985, 721630, 735826, 758840, 986492, 1051180, 1062376, 1132040, 1233115, 1327970, 1443260, 1471652, 1726361, 1839565, 1972984, 2102360, 2466230, 2655940, 2886520, 2943304, 3206099, 3452722, 3679130, 4932460, 5311880, 6412198, 6905444, 7358260, 8631805, 9864920, 12824396, 13810888, 14716520, 16030495, 17263610, 22442693, 25648792, 32060990, 34527220, 44885386, 64121980, 69054440, 89770772, 112213465, 128243960, 179541544, 224426930, 448853860, 897707720]

約数ペア:

[(1, 897707720), (2, 448853860), (4, 224426930), (5, 179541544), (7, 128243960), (8, 112213465), (10, 89770772), (13, 69054440), (14, 64121980), (20, 44885386), (26, 34527220), (28, 32060990), (35, 25648792), (40, 22442693), (52, 17263610), (56, 16030495), (61, 14716520), (65, 13810888), (70, 12824396), (91, 9864920), (104, 8631805), (122, 7358260), (130, 6905444), (140, 6412198), (169, 5311880), (182, 4932460), (244, 3679130), (260, 3452722), (280, 3206099), (305, 2943304), (311, 2886520), (338, 2655940), (364, 2466230), (427, 2102360), (455, 1972984), (488, 1839565), (520, 1726361), (610, 1471652), (622, 1443260), (676, 1327970), (728, 1233115), (793, 1132040), (845, 1062376), (854, 1051180), (910, 986492), (1183, 758840), (1220, 735826), (1244, 721630), (1352, 663985), (1555, 577304), (1586, 566020), (1690, 531188), (1708, 525590), (1820, 493246), (2135, 420472), (2177, 412360), (2366, 379420), (2440, 367913), (2488, 360815), (3110, 288652), (3172, 283010), (3380, 265594), (3416, 262795), (3640, 246623), (3965, 226408), (4043, 222040), (4270, 210236), (4354, 206180), (4732, 189710), (5551, 161720), (5915, 151768), (6220, 144326), (6344, 141505), (6760, 132797), (7930, 113204), (8086, 111020), (8540, 105118), (8708, 103090), (9464, 94855), (10309, 87080), (10885, 82472), (11102, 80860), (11830, 75884), (12440, 72163), (15860, 56602), (16172, 55510), (17080, 52559), (17416, 51545), (18971, 47320), (20215, 44408), (20618, 43540), (21770, 41236), (22204, 40430), (23660, 37942), (27755, 32344), (28301, 31720)]