78852740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 179769240

約数和(自身を除く): 100916500

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 257, 290, 460, 514, 529, 580, 667, 1028, 1058, 1285, 1334, 2116, 2570, 2645, 2668, 3335, 5140, 5290, 5911, 6670, 7453, 10580, 11822, 13340, 14906, 15341, 23644, 29555, 29812, 30682, 37265, 59110, 61364, 74530, 76705, 118220, 135953, 149060, 153410, 171419, 271906, 306820, 342838, 543812, 679765, 685676, 857095, 1359530, 1714190, 2719060, 3428380, 3942637, 7885274, 15770548, 19713185, 39426370, 78852740]

約数ペア:

[(1, 78852740), (2, 39426370), (4, 19713185), (5, 15770548), (10, 7885274), (20, 3942637), (23, 3428380), (29, 2719060), (46, 1714190), (58, 1359530), (92, 857095), (115, 685676), (116, 679765), (145, 543812), (230, 342838), (257, 306820), (290, 271906), (460, 171419), (514, 153410), (529, 149060), (580, 135953), (667, 118220), (1028, 76705), (1058, 74530), (1285, 61364), (1334, 59110), (2116, 37265), (2570, 30682), (2645, 29812), (2668, 29555), (3335, 23644), (5140, 15341), (5290, 14906), (5911, 13340), (6670, 11822), (7453, 10580)]