71303780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209717}}^1$

素因数の和:209743

約数の個数: 24

約数和(自身を含む): 158546808

約数和(自身を除く): 87243028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 209717, 419434, 838868, 1048585, 2097170, 3565189, 4194340, 7130378, 14260756, 17825945, 35651890, 71303780]

約数ペア:

[(1, 71303780), (2, 35651890), (4, 17825945), (5, 14260756), (10, 7130378), (17, 4194340), (20, 3565189), (34, 2097170), (68, 1048585), (85, 838868), (170, 419434), (340, 209717)]