177755020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 382646880

約数和(自身を除く): 204891860

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 436, 545, 670, 1090, 1217, 1340, 2180, 2434, 4868, 6085, 7303, 12170, 14606, 24340, 29212, 36515, 73030, 81539, 132653, 146060, 163078, 265306, 326156, 407695, 530612, 663265, 815390, 1326530, 1630780, 2653060, 8887751, 17775502, 35551004, 44438755, 88877510, 177755020]

約数ペア:

[(1, 177755020), (2, 88877510), (4, 44438755), (5, 35551004), (10, 17775502), (20, 8887751), (67, 2653060), (109, 1630780), (134, 1326530), (218, 815390), (268, 663265), (335, 530612), (436, 407695), (545, 326156), (670, 265306), (1090, 163078), (1217, 146060), (1340, 132653), (2180, 81539), (2434, 73030), (4868, 36515), (6085, 29212), (7303, 24340), (12170, 14606)]