1780929136

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 4054115520

約数和(自身を除く): 2273186384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 389, 574, 656, 778, 997, 1148, 1556, 1994, 2296, 2723, 3112, 3988, 4592, 5446, 6224, 6979, 7976, 10892, 13958, 15949, 15952, 21784, 27916, 31898, 40877, 43568, 55832, 63796, 81754, 111643, 111664, 127592, 163508, 223286, 255184, 286139, 327016, 387833, 446572, 572278, 654032, 775666, 893144, 1144556, 1551332, 1786288, 2289112, 2714831, 3102664, 4578224, 5429662, 6205328, 10859324, 15901153, 21718648, 31802306, 43437296, 63604612, 111308071, 127209224, 222616142, 254418448, 445232284, 890464568, 1780929136]

約数ペア:

[(1, 1780929136), (2, 890464568), (4, 445232284), (7, 254418448), (8, 222616142), (14, 127209224), (16, 111308071), (28, 63604612), (41, 43437296), (56, 31802306), (82, 21718648), (112, 15901153), (164, 10859324), (287, 6205328), (328, 5429662), (389, 4578224), (574, 3102664), (656, 2714831), (778, 2289112), (997, 1786288), (1148, 1551332), (1556, 1144556), (1994, 893144), (2296, 775666), (2723, 654032), (3112, 572278), (3988, 446572), (4592, 387833), (5446, 327016), (6224, 286139), (6979, 255184), (7976, 223286), (10892, 163508), (13958, 127592), (15949, 111664), (15952, 111643), (21784, 81754), (27916, 63796), (31898, 55832), (40877, 43568)]