30604820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 69263040

約数和(自身を除く): 38658220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 1873, 3268, 3746, 4085, 7492, 8170, 9365, 16340, 18730, 35587, 37460, 71174, 80539, 142348, 161078, 177935, 322156, 355870, 402695, 711740, 805390, 1530241, 1610780, 3060482, 6120964, 7651205, 15302410, 30604820]

約数ペア:

[(1, 30604820), (2, 15302410), (4, 7651205), (5, 6120964), (10, 3060482), (19, 1610780), (20, 1530241), (38, 805390), (43, 711740), (76, 402695), (86, 355870), (95, 322156), (172, 177935), (190, 161078), (215, 142348), (380, 80539), (430, 71174), (817, 37460), (860, 35587), (1634, 18730), (1873, 16340), (3268, 9365), (3746, 8170), (4085, 7492)]