18879700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3853}}^1$

素因数の和:3881

約数の個数: 54

約数和(自身を含む): 47670126

約数和(自身を除く): 28790426

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3853, 4900, 7706, 15412, 19265, 26971, 38530, 53942, 77060, 96325, 107884, 134855, 188797, 192650, 269710, 377594, 385300, 539420, 674275, 755188, 943985, 1348550, 1887970, 2697100, 3775940, 4719925, 9439850, 18879700]

約数ペア:

[(1, 18879700), (2, 9439850), (4, 4719925), (5, 3775940), (7, 2697100), (10, 1887970), (14, 1348550), (20, 943985), (25, 755188), (28, 674275), (35, 539420), (49, 385300), (50, 377594), (70, 269710), (98, 192650), (100, 188797), (140, 134855), (175, 107884), (196, 96325), (245, 77060), (350, 53942), (490, 38530), (700, 26971), (980, 19265), (1225, 15412), (2450, 7706), (3853, 4900)]