7271300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 17186400

約数和(自身を除く): 9915100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 89, 95, 100, 172, 178, 190, 215, 356, 380, 430, 445, 475, 817, 860, 890, 950, 1075, 1634, 1691, 1780, 1900, 2150, 2225, 3268, 3382, 3827, 4085, 4300, 4450, 6764, 7654, 8170, 8455, 8900, 15308, 16340, 16910, 19135, 20425, 33820, 38270, 40850, 42275, 72713, 76540, 81700, 84550, 95675, 145426, 169100, 191350, 290852, 363565, 382700, 727130, 1454260, 1817825, 3635650, 7271300]

約数ペア:

[(1, 7271300), (2, 3635650), (4, 1817825), (5, 1454260), (10, 727130), (19, 382700), (20, 363565), (25, 290852), (38, 191350), (43, 169100), (50, 145426), (76, 95675), (86, 84550), (89, 81700), (95, 76540), (100, 72713), (172, 42275), (178, 40850), (190, 38270), (215, 33820), (356, 20425), (380, 19135), (430, 16910), (445, 16340), (475, 15308), (817, 8900), (860, 8455), (890, 8170), (950, 7654), (1075, 6764), (1634, 4450), (1691, 4300), (1780, 4085), (1900, 3827), (2150, 3382), (2225, 3268)]