381882140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{23371}}^1$

素因数の和:23442

約数の個数: 48

約数和(自身を含む): 863829120

約数和(自身を除く): 481946980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 23371, 46742, 93484, 116855, 233710, 444049, 467420, 888098, 1004953, 1776196, 2009906, 2220245, 4019812, 4440490, 5024765, 8880980, 10049530, 19094107, 20099060, 38188214, 76376428, 95470535, 190941070, 381882140]

約数ペア:

[(1, 381882140), (2, 190941070), (4, 95470535), (5, 76376428), (10, 38188214), (19, 20099060), (20, 19094107), (38, 10049530), (43, 8880980), (76, 5024765), (86, 4440490), (95, 4019812), (172, 2220245), (190, 2009906), (215, 1776196), (380, 1004953), (430, 888098), (817, 467420), (860, 444049), (1634, 233710), (3268, 116855), (4085, 93484), (8170, 46742), (16340, 23371)]