676323440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1423}}^1$

素因数の和:1906

約数の個数: 80

約数和(自身を含む): 1698307968

約数和(自身を除く): 1021984528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 457, 520, 914, 1040, 1423, 1828, 2285, 2846, 3656, 4570, 5692, 5941, 7115, 7312, 9140, 11384, 11882, 14230, 18280, 18499, 22768, 23764, 28460, 29705, 36560, 36998, 47528, 56920, 59410, 73996, 92495, 95056, 113840, 118820, 147992, 184990, 237640, 295984, 369980, 475280, 650311, 739960, 1300622, 1479920, 2601244, 3251555, 5202488, 6503110, 8454043, 10404976, 13006220, 16908086, 26012440, 33816172, 42270215, 52024880, 67632344, 84540430, 135264688, 169080860, 338161720, 676323440]

約数ペア:

[(1, 676323440), (2, 338161720), (4, 169080860), (5, 135264688), (8, 84540430), (10, 67632344), (13, 52024880), (16, 42270215), (20, 33816172), (26, 26012440), (40, 16908086), (52, 13006220), (65, 10404976), (80, 8454043), (104, 6503110), (130, 5202488), (208, 3251555), (260, 2601244), (457, 1479920), (520, 1300622), (914, 739960), (1040, 650311), (1423, 475280), (1828, 369980), (2285, 295984), (2846, 237640), (3656, 184990), (4570, 147992), (5692, 118820), (5941, 113840), (7115, 95056), (7312, 92495), (9140, 73996), (11384, 59410), (11882, 56920), (14230, 47528), (18280, 36998), (18499, 36560), (22768, 29705), (23764, 28460)]