144938840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190709}}^1$

素因数の和:190739

約数の個数: 32

約数和(自身を含む): 343278000

約数和(自身を除く): 198339160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 190709, 381418, 762836, 953545, 1525672, 1907090, 3623471, 3814180, 7246942, 7628360, 14493884, 18117355, 28987768, 36234710, 72469420, 144938840]

約数ペア:

[(1, 144938840), (2, 72469420), (4, 36234710), (5, 28987768), (8, 18117355), (10, 14493884), (19, 7628360), (20, 7246942), (38, 3814180), (40, 3623471), (76, 1907090), (95, 1525672), (152, 953545), (190, 762836), (380, 381418), (760, 190709)]