289758040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 772934400

約数和(自身を除く): 483176360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 179, 220, 260, 283, 286, 358, 440, 520, 566, 572, 715, 716, 895, 1132, 1144, 1415, 1430, 1432, 1790, 1969, 2264, 2327, 2830, 2860, 3113, 3580, 3679, 3938, 4654, 5660, 5720, 6226, 7160, 7358, 7876, 9308, 9845, 11320, 11635, 12452, 14716, 15565, 15752, 18395, 18616, 19690, 23270, 24904, 25597, 29432, 31130, 36790, 39380, 40469, 46540, 50657, 51194, 62260, 73580, 78760, 80938, 93080, 101314, 102388, 124520, 127985, 147160, 161876, 202345, 202628, 204776, 253285, 255970, 323752, 404690, 405256, 506570, 511940, 557227, 658541, 809380, 1013140, 1023880, 1114454, 1317082, 1618760, 2026280, 2228908, 2634164, 2786135, 3292705, 4457816, 5268328, 5572270, 6585410, 7243951, 11144540, 13170820, 14487902, 22289080, 26341640, 28975804, 36219755, 57951608, 72439510, 144879020, 289758040]

約数ペア:

[(1, 289758040), (2, 144879020), (4, 72439510), (5, 57951608), (8, 36219755), (10, 28975804), (11, 26341640), (13, 22289080), (20, 14487902), (22, 13170820), (26, 11144540), (40, 7243951), (44, 6585410), (52, 5572270), (55, 5268328), (65, 4457816), (88, 3292705), (104, 2786135), (110, 2634164), (130, 2228908), (143, 2026280), (179, 1618760), (220, 1317082), (260, 1114454), (283, 1023880), (286, 1013140), (358, 809380), (440, 658541), (520, 557227), (566, 511940), (572, 506570), (715, 405256), (716, 404690), (895, 323752), (1132, 255970), (1144, 253285), (1415, 204776), (1430, 202628), (1432, 202345), (1790, 161876), (1969, 147160), (2264, 127985), (2327, 124520), (2830, 102388), (2860, 101314), (3113, 93080), (3580, 80938), (3679, 78760), (3938, 73580), (4654, 62260), (5660, 51194), (5720, 50657), (6226, 46540), (7160, 40469), (7358, 39380), (7876, 36790), (9308, 31130), (9845, 29432), (11320, 25597), (11635, 24904), (12452, 23270), (14716, 19690), (15565, 18616), (15752, 18395)]