187949840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1576

約数の個数: 80

約数和(自身を含む): 474636288

約数和(自身を除く): 286686448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1423, 1651, 2032, 2540, 2846, 3302, 5080, 5692, 6604, 7115, 8255, 10160, 11384, 13208, 14230, 16510, 18499, 22768, 26416, 28460, 33020, 36998, 56920, 66040, 73996, 92495, 113840, 132080, 147992, 180721, 184990, 295984, 361442, 369980, 722884, 739960, 903605, 1445768, 1479920, 1807210, 2349373, 2891536, 3614420, 4698746, 7228840, 9397492, 11746865, 14457680, 18794984, 23493730, 37589968, 46987460, 93974920, 187949840]

約数ペア:

[(1, 187949840), (2, 93974920), (4, 46987460), (5, 37589968), (8, 23493730), (10, 18794984), (13, 14457680), (16, 11746865), (20, 9397492), (26, 7228840), (40, 4698746), (52, 3614420), (65, 2891536), (80, 2349373), (104, 1807210), (127, 1479920), (130, 1445768), (208, 903605), (254, 739960), (260, 722884), (508, 369980), (520, 361442), (635, 295984), (1016, 184990), (1040, 180721), (1270, 147992), (1423, 132080), (1651, 113840), (2032, 92495), (2540, 73996), (2846, 66040), (3302, 56920), (5080, 36998), (5692, 33020), (6604, 28460), (7115, 26416), (8255, 22768), (10160, 18499), (11384, 16510), (13208, 14230)]