438511940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{7723}}^1$

素因数の和:7916

約数の個数: 48

約数和(自身を含む): 981009792

約数和(自身を除く): 542497852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 835, 1670, 2839, 3340, 5678, 7723, 11356, 14195, 15446, 28390, 30892, 38615, 56780, 77230, 131291, 154460, 262582, 525164, 656455, 1289741, 1312910, 2579482, 2625820, 5158964, 6448705, 12897410, 21925597, 25794820, 43851194, 87702388, 109627985, 219255970, 438511940]

約数ペア:

[(1, 438511940), (2, 219255970), (4, 109627985), (5, 87702388), (10, 43851194), (17, 25794820), (20, 21925597), (34, 12897410), (68, 6448705), (85, 5158964), (167, 2625820), (170, 2579482), (334, 1312910), (340, 1289741), (668, 656455), (835, 525164), (1670, 262582), (2839, 154460), (3340, 131291), (5678, 77230), (7723, 56780), (11356, 38615), (14195, 30892), (15446, 28390)]