1389590960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 3280019232

約数和(自身を除く): 1890428272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 331, 388, 485, 541, 662, 776, 970, 1082, 1324, 1552, 1655, 1940, 2164, 2648, 2705, 3310, 3880, 4328, 5296, 5410, 6620, 7760, 8656, 10820, 13240, 21640, 26480, 32107, 43280, 52477, 64214, 104954, 128428, 160535, 179071, 209908, 256856, 262385, 321070, 358142, 419816, 513712, 524770, 642140, 716284, 839632, 895355, 1049540, 1284280, 1432568, 1790710, 2099080, 2568560, 2865136, 3581420, 4198160, 7162840, 14325680, 17369887, 34739774, 69479548, 86849435, 138959096, 173698870, 277918192, 347397740, 694795480, 1389590960]

約数ペア:

[(1, 1389590960), (2, 694795480), (4, 347397740), (5, 277918192), (8, 173698870), (10, 138959096), (16, 86849435), (20, 69479548), (40, 34739774), (80, 17369887), (97, 14325680), (194, 7162840), (331, 4198160), (388, 3581420), (485, 2865136), (541, 2568560), (662, 2099080), (776, 1790710), (970, 1432568), (1082, 1284280), (1324, 1049540), (1552, 895355), (1655, 839632), (1940, 716284), (2164, 642140), (2648, 524770), (2705, 513712), (3310, 419816), (3880, 358142), (4328, 321070), (5296, 262385), (5410, 256856), (6620, 209908), (7760, 179071), (8656, 160535), (10820, 128428), (13240, 104954), (21640, 64214), (26480, 52477), (32107, 43280)]