28801290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 84602880

約数和(自身を除く): 55801590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 67, 69, 70, 89, 105, 115, 134, 138, 161, 178, 201, 210, 230, 267, 322, 335, 345, 402, 445, 469, 483, 534, 623, 670, 690, 805, 890, 938, 966, 1005, 1246, 1335, 1407, 1541, 1610, 1869, 2010, 2047, 2345, 2415, 2670, 2814, 3082, 3115, 3738, 4094, 4623, 4690, 4830, 5963, 6141, 6230, 7035, 7705, 9246, 9345, 10235, 10787, 11926, 12282, 14070, 14329, 15410, 17889, 18690, 20470, 21574, 23115, 28658, 29815, 30705, 32361, 35778, 41741, 42987, 46230, 53935, 59630, 61410, 64722, 71645, 83482, 85974, 89445, 107870, 125223, 137149, 143290, 161805, 178890, 208705, 214935, 250446, 274298, 323610, 411447, 417410, 429870, 626115, 685745, 822894, 960043, 1252230, 1371490, 1920086, 2057235, 2880129, 4114470, 4800215, 5760258, 9600430, 14400645, 28801290]

約数ペア:

[(1, 28801290), (2, 14400645), (3, 9600430), (5, 5760258), (6, 4800215), (7, 4114470), (10, 2880129), (14, 2057235), (15, 1920086), (21, 1371490), (23, 1252230), (30, 960043), (35, 822894), (42, 685745), (46, 626115), (67, 429870), (69, 417410), (70, 411447), (89, 323610), (105, 274298), (115, 250446), (134, 214935), (138, 208705), (161, 178890), (178, 161805), (201, 143290), (210, 137149), (230, 125223), (267, 107870), (322, 89445), (335, 85974), (345, 83482), (402, 71645), (445, 64722), (469, 61410), (483, 59630), (534, 53935), (623, 46230), (670, 42987), (690, 41741), (805, 35778), (890, 32361), (938, 30705), (966, 29815), (1005, 28658), (1246, 23115), (1335, 21574), (1407, 20470), (1541, 18690), (1610, 17889), (1869, 15410), (2010, 14329), (2047, 14070), (2345, 12282), (2415, 11926), (2670, 10787), (2814, 10235), (3082, 9345), (3115, 9246), (3738, 7705), (4094, 7035), (4623, 6230), (4690, 6141), (4830, 5963)]