442187920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 1059075072

約数和(自身を除く): 616887152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 191, 215, 344, 382, 430, 673, 688, 764, 860, 955, 1346, 1528, 1720, 1910, 2692, 3056, 3365, 3440, 3820, 5384, 6730, 7640, 8213, 10768, 13460, 15280, 16426, 26920, 28939, 32852, 41065, 53840, 57878, 65704, 82130, 115756, 128543, 131408, 144695, 164260, 231512, 257086, 289390, 328520, 463024, 514172, 578780, 642715, 657040, 1028344, 1157560, 1285430, 2056688, 2315120, 2570860, 5141720, 5527349, 10283440, 11054698, 22109396, 27636745, 44218792, 55273490, 88437584, 110546980, 221093960, 442187920]

約数ペア:

[(1, 442187920), (2, 221093960), (4, 110546980), (5, 88437584), (8, 55273490), (10, 44218792), (16, 27636745), (20, 22109396), (40, 11054698), (43, 10283440), (80, 5527349), (86, 5141720), (172, 2570860), (191, 2315120), (215, 2056688), (344, 1285430), (382, 1157560), (430, 1028344), (673, 657040), (688, 642715), (764, 578780), (860, 514172), (955, 463024), (1346, 328520), (1528, 289390), (1720, 257086), (1910, 231512), (2692, 164260), (3056, 144695), (3365, 131408), (3440, 128543), (3820, 115756), (5384, 82130), (6730, 65704), (7640, 57878), (8213, 53840), (10768, 41065), (13460, 32852), (15280, 28939), (16426, 26920)]