440229712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 945495040

約数和(自身を除く): 505265328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 79, 104, 146, 158, 208, 292, 316, 367, 584, 632, 734, 949, 1027, 1168, 1264, 1468, 1898, 2054, 2936, 3796, 4108, 4771, 5767, 5872, 7592, 8216, 9542, 11534, 15184, 16432, 19084, 23068, 26791, 28993, 38168, 46136, 53582, 57986, 74971, 76336, 92272, 107164, 115972, 149942, 214328, 231944, 299884, 348283, 376909, 428656, 463888, 599768, 696566, 753818, 1199536, 1393132, 1507636, 2116489, 2786264, 3015272, 4232978, 5572528, 6030544, 8465956, 16931912, 27514357, 33863824, 55028714, 110057428, 220114856, 440229712]

約数ペア:

[(1, 440229712), (2, 220114856), (4, 110057428), (8, 55028714), (13, 33863824), (16, 27514357), (26, 16931912), (52, 8465956), (73, 6030544), (79, 5572528), (104, 4232978), (146, 3015272), (158, 2786264), (208, 2116489), (292, 1507636), (316, 1393132), (367, 1199536), (584, 753818), (632, 696566), (734, 599768), (949, 463888), (1027, 428656), (1168, 376909), (1264, 348283), (1468, 299884), (1898, 231944), (2054, 214328), (2936, 149942), (3796, 115972), (4108, 107164), (4771, 92272), (5767, 76336), (5872, 74971), (7592, 57986), (8216, 53582), (9542, 46136), (11534, 38168), (15184, 28993), (16432, 26791), (19084, 23068)]