80649100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 108

約数和(自身を含む): 206809680

約数和(自身を除く): 126160580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 109, 140, 151, 175, 196, 218, 245, 302, 350, 436, 490, 545, 604, 700, 755, 763, 980, 1057, 1090, 1225, 1510, 1526, 2114, 2180, 2450, 2725, 3020, 3052, 3775, 3815, 4228, 4900, 5285, 5341, 5450, 7399, 7550, 7630, 10570, 10682, 10900, 14798, 15100, 15260, 16459, 19075, 21140, 21364, 26425, 26705, 29596, 32918, 36995, 38150, 52850, 53410, 65836, 73990, 76300, 82295, 105700, 106820, 115213, 133525, 147980, 164590, 184975, 230426, 267050, 329180, 369950, 411475, 460852, 534100, 576065, 739900, 806491, 822950, 1152130, 1612982, 1645900, 2304260, 2880325, 3225964, 4032455, 5760650, 8064910, 11521300, 16129820, 20162275, 40324550, 80649100]

約数ペア:

[(1, 80649100), (2, 40324550), (4, 20162275), (5, 16129820), (7, 11521300), (10, 8064910), (14, 5760650), (20, 4032455), (25, 3225964), (28, 2880325), (35, 2304260), (49, 1645900), (50, 1612982), (70, 1152130), (98, 822950), (100, 806491), (109, 739900), (140, 576065), (151, 534100), (175, 460852), (196, 411475), (218, 369950), (245, 329180), (302, 267050), (350, 230426), (436, 184975), (490, 164590), (545, 147980), (604, 133525), (700, 115213), (755, 106820), (763, 105700), (980, 82295), (1057, 76300), (1090, 73990), (1225, 65836), (1510, 53410), (1526, 52850), (2114, 38150), (2180, 36995), (2450, 32918), (2725, 29596), (3020, 26705), (3052, 26425), (3775, 21364), (3815, 21140), (4228, 19075), (4900, 16459), (5285, 15260), (5341, 15100), (5450, 14798), (7399, 10900), (7550, 10682), (7630, 10570)]