86307880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 211226400

約数和(自身を除く): 124918520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 139, 152, 172, 190, 215, 278, 344, 361, 380, 430, 556, 695, 722, 760, 817, 860, 1112, 1390, 1444, 1634, 1720, 1805, 2641, 2780, 2888, 3268, 3610, 4085, 5282, 5560, 5977, 6536, 7220, 8170, 10564, 11954, 13205, 14440, 15523, 16340, 21128, 23908, 26410, 29885, 31046, 32680, 47816, 50179, 52820, 59770, 62092, 77615, 100358, 105640, 113563, 119540, 124184, 155230, 200716, 227126, 239080, 250895, 310460, 401432, 454252, 501790, 567815, 620920, 908504, 1003580, 1135630, 2007160, 2157697, 2271260, 4315394, 4542520, 8630788, 10788485, 17261576, 21576970, 43153940, 86307880]

約数ペア:

[(1, 86307880), (2, 43153940), (4, 21576970), (5, 17261576), (8, 10788485), (10, 8630788), (19, 4542520), (20, 4315394), (38, 2271260), (40, 2157697), (43, 2007160), (76, 1135630), (86, 1003580), (95, 908504), (139, 620920), (152, 567815), (172, 501790), (190, 454252), (215, 401432), (278, 310460), (344, 250895), (361, 239080), (380, 227126), (430, 200716), (556, 155230), (695, 124184), (722, 119540), (760, 113563), (817, 105640), (860, 100358), (1112, 77615), (1390, 62092), (1444, 59770), (1634, 52820), (1720, 50179), (1805, 47816), (2641, 32680), (2780, 31046), (2888, 29885), (3268, 26410), (3610, 23908), (4085, 21128), (5282, 16340), (5560, 15523), (5977, 14440), (6536, 13205), (7220, 11954), (8170, 10564)]