280067900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7549}}^1$

素因数の和:7623

約数の個数: 72

約数和(自身を含む): 707767200

約数和(自身を除く): 427699300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 530, 700, 742, 1060, 1325, 1484, 1855, 2650, 3710, 5300, 7420, 7549, 9275, 15098, 18550, 30196, 37100, 37745, 52843, 75490, 105686, 150980, 188725, 211372, 264215, 377450, 400097, 528430, 754900, 800194, 1056860, 1321075, 1600388, 2000485, 2642150, 2800679, 4000970, 5284300, 5601358, 8001940, 10002425, 11202716, 14003395, 20004850, 28006790, 40009700, 56013580, 70016975, 140033950, 280067900]

約数ペア:

[(1, 280067900), (2, 140033950), (4, 70016975), (5, 56013580), (7, 40009700), (10, 28006790), (14, 20004850), (20, 14003395), (25, 11202716), (28, 10002425), (35, 8001940), (50, 5601358), (53, 5284300), (70, 4000970), (100, 2800679), (106, 2642150), (140, 2000485), (175, 1600388), (212, 1321075), (265, 1056860), (350, 800194), (371, 754900), (530, 528430), (700, 400097), (742, 377450), (1060, 264215), (1325, 211372), (1484, 188725), (1855, 150980), (2650, 105686), (3710, 75490), (5300, 52843), (7420, 37745), (7549, 37100), (9275, 30196), (15098, 18550)]