78443180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 171841824

約数和(自身を除く): 93398644

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1721, 2279, 3442, 4558, 6884, 8605, 9116, 11395, 17210, 22790, 34420, 45580, 74003, 91213, 148006, 182426, 296012, 364852, 370015, 456065, 740030, 912130, 1480060, 1824260, 3922159, 7844318, 15688636, 19610795, 39221590, 78443180]

約数ペア:

[(1, 78443180), (2, 39221590), (4, 19610795), (5, 15688636), (10, 7844318), (20, 3922159), (43, 1824260), (53, 1480060), (86, 912130), (106, 740030), (172, 456065), (212, 370015), (215, 364852), (265, 296012), (430, 182426), (530, 148006), (860, 91213), (1060, 74003), (1721, 45580), (2279, 34420), (3442, 22790), (4558, 17210), (6884, 11395), (8605, 9116)]