1551137140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 3901262400

約数和(自身を除く): 2350125260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 139, 140, 193, 196, 236, 245, 278, 295, 386, 413, 490, 556, 590, 695, 772, 826, 965, 973, 980, 1180, 1351, 1390, 1652, 1930, 1946, 2065, 2702, 2780, 2891, 3860, 3892, 4130, 4865, 5404, 5782, 6755, 6811, 8201, 8260, 9457, 9730, 11387, 11564, 13510, 13622, 14455, 16402, 18914, 19460, 22774, 26827, 27020, 27244, 28910, 32804, 34055, 37828, 41005, 45548, 47285, 53654, 56935, 57407, 57820, 68110, 79709, 82010, 94570, 107308, 113870, 114814, 134135, 136220, 159418, 164020, 187789, 189140, 227740, 229628, 268270, 287035, 318836, 375578, 398545, 401849, 536540, 557963, 574070, 751156, 797090, 803698, 938945, 1115926, 1148140, 1314523, 1582793, 1594180, 1607396, 1877890, 2009245, 2231852, 2629046, 2789815, 3165586, 3755780, 4018490, 5258092, 5579630, 6331172, 6572615, 7913965, 8036980, 11079551, 11159260, 13145230, 15827930, 22159102, 26290460, 31655860, 44318204, 55397755, 77556857, 110795510, 155113714, 221591020, 310227428, 387784285, 775568570, 1551137140]

約数ペア:

[(1, 1551137140), (2, 775568570), (4, 387784285), (5, 310227428), (7, 221591020), (10, 155113714), (14, 110795510), (20, 77556857), (28, 55397755), (35, 44318204), (49, 31655860), (59, 26290460), (70, 22159102), (98, 15827930), (118, 13145230), (139, 11159260), (140, 11079551), (193, 8036980), (196, 7913965), (236, 6572615), (245, 6331172), (278, 5579630), (295, 5258092), (386, 4018490), (413, 3755780), (490, 3165586), (556, 2789815), (590, 2629046), (695, 2231852), (772, 2009245), (826, 1877890), (965, 1607396), (973, 1594180), (980, 1582793), (1180, 1314523), (1351, 1148140), (1390, 1115926), (1652, 938945), (1930, 803698), (1946, 797090), (2065, 751156), (2702, 574070), (2780, 557963), (2891, 536540), (3860, 401849), (3892, 398545), (4130, 375578), (4865, 318836), (5404, 287035), (5782, 268270), (6755, 229628), (6811, 227740), (8201, 189140), (8260, 187789), (9457, 164020), (9730, 159418), (11387, 136220), (11564, 134135), (13510, 114814), (13622, 113870), (14455, 107308), (16402, 94570), (18914, 82010), (19460, 79709), (22774, 68110), (26827, 57820), (27020, 57407), (27244, 56935), (28910, 53654), (32804, 47285), (34055, 45548), (37828, 41005)]