17776780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 46287360

約数和(自身を除く): 28510580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 163, 164, 190, 205, 266, 287, 326, 380, 410, 532, 574, 652, 665, 779, 815, 820, 1141, 1148, 1330, 1435, 1558, 1630, 2282, 2660, 2870, 3097, 3116, 3260, 3895, 4564, 5453, 5705, 5740, 6194, 6683, 7790, 10906, 11410, 12388, 13366, 15485, 15580, 21679, 21812, 22820, 26732, 27265, 30970, 33415, 43358, 46781, 54530, 61940, 66830, 86716, 93562, 108395, 109060, 126977, 133660, 187124, 216790, 233905, 253954, 433580, 467810, 507908, 634885, 888839, 935620, 1269770, 1777678, 2539540, 3555356, 4444195, 8888390, 17776780]

約数ペア:

[(1, 17776780), (2, 8888390), (4, 4444195), (5, 3555356), (7, 2539540), (10, 1777678), (14, 1269770), (19, 935620), (20, 888839), (28, 634885), (35, 507908), (38, 467810), (41, 433580), (70, 253954), (76, 233905), (82, 216790), (95, 187124), (133, 133660), (140, 126977), (163, 109060), (164, 108395), (190, 93562), (205, 86716), (266, 66830), (287, 61940), (326, 54530), (380, 46781), (410, 43358), (532, 33415), (574, 30970), (652, 27265), (665, 26732), (779, 22820), (815, 21812), (820, 21679), (1141, 15580), (1148, 15485), (1330, 13366), (1435, 12388), (1558, 11410), (1630, 10906), (2282, 7790), (2660, 6683), (2870, 6194), (3097, 5740), (3116, 5705), (3260, 5453), (3895, 4564)]