30572140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 38616980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 1871, 3268, 3742, 4085, 7484, 8170, 9355, 16340, 18710, 35549, 37420, 71098, 80453, 142196, 160906, 177745, 321812, 355490, 402265, 710980, 804530, 1528607, 1609060, 3057214, 6114428, 7643035, 15286070, 30572140]

約数ペア:

[(1, 30572140), (2, 15286070), (4, 7643035), (5, 6114428), (10, 3057214), (19, 1609060), (20, 1528607), (38, 804530), (43, 710980), (76, 402265), (86, 355490), (95, 321812), (172, 177745), (190, 160906), (215, 142196), (380, 80453), (430, 71098), (817, 37420), (860, 35549), (1634, 18710), (1871, 16340), (3268, 9355), (3742, 8170), (4085, 7484)]