256095560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 674759160

約数和(自身を除く): 418663600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 193, 196, 245, 280, 386, 392, 490, 677, 772, 965, 980, 1351, 1354, 1544, 1930, 1960, 2702, 2708, 3385, 3860, 4739, 5404, 5416, 6755, 6770, 7720, 9457, 9478, 10808, 13510, 13540, 18914, 18956, 23695, 27020, 27080, 33173, 37828, 37912, 47285, 47390, 54040, 66346, 75656, 94570, 94780, 130661, 132692, 165865, 189140, 189560, 261322, 265384, 331730, 378280, 522644, 653305, 663460, 914627, 1045288, 1306610, 1326920, 1829254, 2613220, 3658508, 4573135, 5226440, 6402389, 7317016, 9146270, 12804778, 18292540, 25609556, 32011945, 36585080, 51219112, 64023890, 128047780, 256095560]

約数ペア:

[(1, 256095560), (2, 128047780), (4, 64023890), (5, 51219112), (7, 36585080), (8, 32011945), (10, 25609556), (14, 18292540), (20, 12804778), (28, 9146270), (35, 7317016), (40, 6402389), (49, 5226440), (56, 4573135), (70, 3658508), (98, 2613220), (140, 1829254), (193, 1326920), (196, 1306610), (245, 1045288), (280, 914627), (386, 663460), (392, 653305), (490, 522644), (677, 378280), (772, 331730), (965, 265384), (980, 261322), (1351, 189560), (1354, 189140), (1544, 165865), (1930, 132692), (1960, 130661), (2702, 94780), (2708, 94570), (3385, 75656), (3860, 66346), (4739, 54040), (5404, 47390), (5416, 47285), (6755, 37912), (6770, 37828), (7720, 33173), (9457, 27080), (9478, 27020), (10808, 23695), (13510, 18956), (13540, 18914)]