305491872

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 144

約数和(自身を含む): 943542432

約数和(自身を除く): 638050560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 101, 112, 147, 168, 196, 202, 224, 294, 303, 336, 392, 404, 588, 606, 643, 672, 707, 784, 808, 1176, 1212, 1286, 1414, 1568, 1616, 1929, 2121, 2352, 2424, 2572, 2828, 3232, 3858, 4242, 4501, 4704, 4848, 4949, 5144, 5656, 7716, 8484, 9002, 9696, 9898, 10288, 11312, 13503, 14847, 15432, 16968, 18004, 19796, 20576, 22624, 27006, 29694, 30864, 31507, 33936, 36008, 39592, 54012, 59388, 61728, 63014, 64943, 67872, 72016, 79184, 94521, 108024, 118776, 126028, 129886, 144032, 158368, 189042, 194829, 216048, 237552, 252056, 259772, 378084, 389658, 432096, 454601, 475104, 504112, 519544, 756168, 779316, 909202, 1008224, 1039088, 1363803, 1512336, 1558632, 1818404, 2078176, 2727606, 3024672, 3117264, 3182207, 3636808, 5455212, 6234528, 6364414, 7273616, 9546621, 10910424, 12728828, 14547232, 19093242, 21820848, 25457656, 38186484, 43641696, 50915312, 76372968, 101830624, 152745936, 305491872]

約数ペア:

[(1, 305491872), (2, 152745936), (3, 101830624), (4, 76372968), (6, 50915312), (7, 43641696), (8, 38186484), (12, 25457656), (14, 21820848), (16, 19093242), (21, 14547232), (24, 12728828), (28, 10910424), (32, 9546621), (42, 7273616), (48, 6364414), (49, 6234528), (56, 5455212), (84, 3636808), (96, 3182207), (98, 3117264), (101, 3024672), (112, 2727606), (147, 2078176), (168, 1818404), (196, 1558632), (202, 1512336), (224, 1363803), (294, 1039088), (303, 1008224), (336, 909202), (392, 779316), (404, 756168), (588, 519544), (606, 504112), (643, 475104), (672, 454601), (707, 432096), (784, 389658), (808, 378084), (1176, 259772), (1212, 252056), (1286, 237552), (1414, 216048), (1568, 194829), (1616, 189042), (1929, 158368), (2121, 144032), (2352, 129886), (2424, 126028), (2572, 118776), (2828, 108024), (3232, 94521), (3858, 79184), (4242, 72016), (4501, 67872), (4704, 64943), (4848, 63014), (4949, 61728), (5144, 59388), (5656, 54012), (7716, 39592), (8484, 36008), (9002, 33936), (9696, 31507), (9898, 30864), (10288, 29694), (11312, 27006), (13503, 22624), (14847, 20576), (15432, 19796), (16968, 18004)]