309959312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 688080960

約数和(自身を除く): 378121648

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 107, 152, 208, 214, 247, 304, 428, 494, 733, 856, 988, 1391, 1466, 1712, 1976, 2033, 2782, 2932, 3952, 4066, 5564, 5864, 8132, 9529, 11128, 11728, 13927, 16264, 19058, 22256, 26429, 27854, 32528, 38116, 52858, 55708, 76232, 78431, 105716, 111416, 152464, 156862, 181051, 211432, 222832, 313724, 362102, 422864, 627448, 724204, 1019603, 1254896, 1448408, 1490189, 2039206, 2896816, 2980378, 4078412, 5960756, 8156824, 11921512, 16313648, 19372457, 23843024, 38744914, 77489828, 154979656, 309959312]

約数ペア:

[(1, 309959312), (2, 154979656), (4, 77489828), (8, 38744914), (13, 23843024), (16, 19372457), (19, 16313648), (26, 11921512), (38, 8156824), (52, 5960756), (76, 4078412), (104, 2980378), (107, 2896816), (152, 2039206), (208, 1490189), (214, 1448408), (247, 1254896), (304, 1019603), (428, 724204), (494, 627448), (733, 422864), (856, 362102), (988, 313724), (1391, 222832), (1466, 211432), (1712, 181051), (1976, 156862), (2033, 152464), (2782, 111416), (2932, 105716), (3952, 78431), (4066, 76232), (5564, 55708), (5864, 52858), (8132, 38116), (9529, 32528), (11128, 27854), (11728, 26429), (13927, 22256), (16264, 19058)]